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New Method Promises to Upend Accounting for Short-Lived Pollutants

by Jim Giles (Trellis)  Efforts to reduce methane and black carbon can deliver critical short-term benefits, according to the Global Heat Reduction Initiative. Conventional carbon accounting measures impact over 100 years, lessening the focus on short-lived drivers of global warming. The Global Heat

May 28, 2025 Read Full Article

Unprecedented Global Agreement Gives Shipping Clarity on Critical Next Step to Decarbonization

(World Shipping Council) The World Shipping Council has welcomed an unprecedented global agreement at the International Maritime Organization (IMO) today, as a critical next step toward shipping decarbonization. Following a contentious and difficult debate, the IMO reached agreement on a measure to

April 11, 2025 Read Full Article

Global Bioenergies’ Sustainable Aviation Fuel (SAF) Has Been Tested in Collaboration with Safran on the Injection Phase, and with ONERA on the Combustion Phase.

(Global Bioenergies) The Company supplied a batch of SAF to Safran, the world’s second-largest aircraft equipment manufacturer, to evaluate the specific properties of Global Bioenergies’ SAF, used in its neat form, during the fuel injection phase prior to combustion in the

April 02, 2025 Read Full Article

EU Not Ready to Enforce Pollution Rules, Airlines Say

by Kate Abnett (Reuters) Airlines have warned the European Union they cannot yet comply with pollution rules that came into force this month, because the EU has not yet launched its promised system to administer them, a document seen by Reuters

January 18, 2025 Read Full Article

New Study Highlights Differing Strategies and Barriers to Decarbonising Aviation in UK and Europe

by Tony Harrington (GreenAir) A new study by UK-based consultancy CFP Energy has identified a significant divergence of strategies to decarbonise aviation in the UK, France and Germany, and serious impediments to the industry’s ability to reach its net zero emissions

December 23, 2024 Read Full Article

EPA Grants Waiver for California’s Advanced Clean Cars II Regulations

(U.S. Environmental Protection Agency) Agency additionally grants waiver for low-NOx regulations for heavy-duty and off-road vehicles and engines  --  Today, the U.S. Environmental Protection Agency (EPA) is granting two requests from the California Air Resources Board (CARB) for waivers to implement and enforce

December 18, 2024 Read Full Article

UECC and Titan Agree Landmark Biomethane Deal

(UECC and Titan)  UECC vessels to sail on biomethane supplied by Titan for rest of 2024 and most of 2025, representing largest ongoing LBM commitment in shipping -- United European Car Carriers (UECC) and Titan Clean Fuels (Titan) have signed a new

December 02, 2024 Read Full Article

Construction Begins on Technology Platform for Power-to-Liquid Fuels (TPP)

(German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR))  - In Leuna, Germany, DLR is building the largest ever research facility for the production of e-fuels.  - The Technology Platform for Power-to-Liquid Fuels (TPP) will be used to optimise e-fuels

October 17, 2024 Read Full Article

Norway Datacenter Dumps Diesel Diet, Goes Veggie with Biofuel Backup

by Dan Robinson (The Register) Operator Stack Infrastructure is committed to reducing Scope 1 emissions from its facilities -- Datacenter operator Stack Infrastructure has joined the ranks of companies switching to biofuel for its backup power source in a bid to offset

October 15, 2024 Read Full Article

Flight Tests Show Aircraft Reduced Contrails and Soot Emissions with 100% SAF

(Aerospace Testing International)  Results from flight testing the use of 100% blends of sustainable aviation fuel (SAF) in commercial aircraft have shown a reduction in the amount of soot and contrails they emit compared to conventional Jet A-1 fuel. The Emission and

June 10, 2024 Read Full Article

Enhancing School Transportation with Biodiesel: One Company’s Green Journey

by Ron Kotrba (School Bus Fleet) For more than six decades, Cook-Illinois Corporation has been entrusted with the crucial task of transporting children to and from school. And for more than 15 years, this family-owned and operated school-bus contractor, among the largest in the

April 23, 2024 Read Full Article

Decarbonizing the Shipping Industry

by Wily Salim (LEC Partners/Biofuels Digest) ... Heavy Fuel Oil (HFO), a more dense and more viscous liquid than diesel, is the current dominant fuel used in the marine shipping industry. This is because HFO is relatively affordable, has high energy density,

April 22, 2024 Read Full Article

BLACK (Soot) – A 5-Letter Word for EARTH MONTH

The GREEN economy aims to foster sustainable development by promoting environmentally friendly practices and technologies across various industries. One significant challenge in this pursuit is the presence of BLACK soot, also KNOWN as BLACK carbon, WHICH contributes to air pollution

April 22, 2024 Read Full Article

Biofuels Could Reduce Vehicle Pollutants by over 90%, New Study Finds

by Rizwan Choudhury (Interesting Engineering) The researchers are hopeful that their work can pave the way for reducing soot emissions from thermal engines, thereby addressing the associated environmental and public health concerns. -- Scientists at the University of Malaga (UMA) have participated

February 01, 2024 Read Full Article

Biodiesel Manufacturer Sees Higher Coconut Content Improving Mileage

by Sheldeen Joy Talavera (Business World Online)  Increasing the coconut content of the biodiesel blend will have a minimal impact on price but may also improve vehicle mileage, producing net savings, a coco biodiesel producer said. “More significant will the mileage improvement expected

January 02, 2024 Read Full Article

Assessment of Aviation Non-CO2 Climate Effects Warns of Trade-off Dangers

by Christopher Surgenor (GreenAir Online)  A new assessment by a group of UK climate scientists into potential solutions to limit non-CO2 emissions produced by aircraft concludes there is no ‘silver bullet’ and concerted efforts and commitments are needed to better understand

December 18, 2023 Read Full Article

Renewable Fuels Make Holiday Travel Easier on the Pocket — and the Planet

by Goeff Cooper (Renewable Fuels Association/The Hill) As we watch the days get shorter and the weather get colder, it can only mean one thing — the holidays are almost upon us. ... Whether you’re flying or driving, it’s a good bet

November 27, 2023 Read Full Article

Rotterdam The Hague Airport Accelerates Sustainable Fuel Blending

(Shell)  Shell and Rotterdam The Hague Airport (RTHA) signed a long-term agreement to blend sustainable aviation fuel on all aircraft fuelled at the airport, starting in 2024. On top of the European blending mandate of 6%, the airport will accelerate its

November 22, 2023 Read Full Article

What is Ethanol and Methanol Blending, How They are Being Used & Advantages Over Fuels | Explained

by Majid Alam (News 18) At present, 10 per cent ethanol is blended in petrol and the government is looking to double this quantity by 2025  --  India is pushing for higher ethanol-blended fuel for cleaner energy and its economic value and the

November 08, 2023 Read Full Article

Boeing, NASA, United Airlines to Test SAF Benefits with Air-to-Air Flights

(Boeing)  Boeing ecoDemonstrator Explorer, a 737-10 for United Airlines, will fly on SAF, trailed by NASA's DC-8 Airborne Science Lab measuring non-CO2 emissions; - Studying how SAF can reduce soot and impact contrails; - Supported by FAA, GE Aerospace, German Aerospace Center (DLR),

October 13, 2023 Read Full Article

Using Sustainable Aviation Fuels Could Reduce Emissions by up to 80%, Scientists Find

by Jessica Marsh (University of Manchester) A team of scientists have completed tests to quantify the emissions from the combustion of sustainable aviation fuels, revealing a profound reduction when compared to regular jet fuel. Researchers from the National Centre for Atmospheric Science

October 13, 2023 Read Full Article

All Aboard: Get the Facts about Cleaner Trains, Advanced Diesel, Hydrogen and More

by Allen Schaeffer (Diesel Technology Forum) ... Moving this amount of freight and people is a feat made possible only by reliable, durable, powerful, and efficient locomotives. That’s why both freight and passenger rail run almost exclusively on diesel. A typical freight rail locomotive

July 24, 2023 Read Full Article

Trees Could Hold the Solution to Cleaner Burning Engines

(Great Lakes Bioenergy Research Center) Researchers discovered that methylbutenol, a compound produced by some pine trees, outperformed two more common biofuels, ethanol and isobutanol in lab tests. The Science Particulate matter, also known as soot, in vehicle exhaust is a major environmental and

June 14, 2023 Read Full Article

The Digest’s 2023 Multi-Slide Guide to the Outlook and Lifecycle Characteristics of Alternative Marine Fuels

by Jim Lane (Biofuels Digest) The transportation Sector accounts for 33% of total US emissions and marine fuels are 3 percent of that- and they are famously hard to electrify. In this overview from the US Department of Energy’s BioEnergy

June 08, 2023 Read Full Article

Republicans Prepare to Pummel EPA over Tailpipe Rule: A House Oversight and Accountability Subcommittee Is Also Focusing on the Administration's Electric Vehicle Push. Public Comments Due July 5, 2023

by Emma Dumain (Politico Pro/E&E Daily) The House Oversight and Accountability Committee, under Republican leadership, will continue to challenge the Biden administration’s environmental agenda this week. On Wednesday, the Subcommittee on Economic Growth, Energy Policy and Regulatory Affairs will hold a hearing

May 16, 2023 Read Full Article

Biden-Harris Administration Proposes Strongest-Ever Pollution Standards for Cars and Trucks to Accelerate Transition to a Clean-Transportation Future Hearing May 2-3, 2023; Public Comment DEADLINE TBD

(Environmental Protection Agency) Building on rapid advancements and investments in clean vehicle manufacturing, including investments in domestic manufacturing in the Inflation Reduction Act, EPA’s proposed standards would deliver on President Biden’s agenda to tackle the climate crisis Today, the U.S. Environmental

April 12, 2023 Read Full Article

Alder SAF100 – Accelerating Development for Next Generation Sustainable Fuels

by Derek Vardon & Bruno Miller  (Alder Fuels/Biofuels Digest)  Today, we are providing a high-level technical analysis of what we are calling Alder SAF100, a new and 100% sustainable replacement for petroleum-based jet fuel. To demonstrate the viability of reaching that crucial

March 21, 2023 Read Full Article

EPA Proposes to Strengthen Air Quality Standards to Protect the Public from Harmful Effects of Soot Public Comment DEADLINE unclear

(U.S. Environmental Protection Agency)  New Standards Demonstrate President Biden’s Leadership to Reduce Air Pollution that Threatens Communities --  Today, the U.S. Environmental Protection Agency (EPA) is announcing a proposal to strengthen a key national ambient air quality standard (NAAQS) for fine

January 06, 2023 Read Full Article

Final EPA Standards for Heavy-Duty Vehicles to Slash Dangerous Pollution and Take Key Step Toward Accelerating Zero-Emissions Future

(U.S. Environmental Protection Agency) Beginning in Model Year 2027, EPA’s Clean Trucks Plan will safeguard clean air for millions in communities overburdened by dangerous pollution  -- Today, the U.S. Environmental Protection Agency (EPA) finalized the strongest-ever national clean air standards to

December 20, 2022 Read Full Article

Portland Is First in Nation to Phase out Petroleum Diesel, Replace with Biofuels

by Gosia Wozniacka (The Oregonian/OregonLive) Portland will phase out the sale of petroleum diesel by 2030, in its first major step to reduce carbon emissions by 50% under the city’s recently adopted climate emergency plan. The unanimous decision by the Portland City Council

December 09, 2022 Read Full Article

NASA, Boeing Gather Data to Aid SAF Adoption

by David Meade (NASA Langley Research Center/Biobased Diesel Daily) Scientists from NASA and Boeing recently met near Seattle to test whether an aircraft with engines burning different blends of sustainable aviation fuels (SAF) produced fewer soot particles than traditional jet fuel. In

November 22, 2022 Read Full Article

$2 Million FAA Grant Supports Study of Sustainable Aviation Fuels at Missouri S&T

by Andrew Careaga (Missouri University of Science and Technology) The U.S. Federal Aviation Administration (FAA) recently awarded a $2.05 million grant to a Missouri S&T researcher to study how different types of sustainable aviation fuels could reduce greenhouse gas emissions from

October 31, 2022 Read Full Article

How Madison, WI Is Using Alternative Fuels to Achieve Lower Carbon Targets

by Jon Scharingson (Renewable Energy Group/League of Cities) ... Among a number of strategies to reduce emissions, improve resilience, and support green job creation, the plan also requires that all municipal vehicles run on 100% renewable resources and be carbon neutral

October 27, 2022 Read Full Article

Comparing Emission Reductions across Alternative Fuels

(Cummins) Vehicle greenhouse gas emissions can be accounted for on a “tank-to-wheels” basis or on a “well-to-wheels” basis. The former only considers the emissions that come out of a vehicle’s tailpipe. The latter includes the emissions that were released as

October 11, 2022 Read Full Article

PNNL Team Recognized with ACS Award for Affordable Green Chemistry

by Mary Ann Showalter (Pacific Northwest National Laboratory) The American Chemical Society (ACS) has announced that development of a catalytic process and catalyst to create sustainable aviation fuel is receiving the 2023 ACS Award for Affordable Green Chemistry. The team named in the

September 30, 2022 Read Full Article

Our Best Chance to Avert a Catastrophic Climate Crisis

(California Natural Gas Vehicle Partnership)  ... Let’s first focus on methane reductions. Nearly 50% of methane emissions in California come from livestock manure and organic waste decomposing in landfills. To help address this, a new statewide law went into effect in

June 03, 2022 Read Full Article

A Fuel Switch for Future Farms

by John Blum (Marquette University) A new combustion system for engines allows heavy-duty farm equipment normally powered by diesel fuel to run on gasoline and ethanol, without sacrificing performance. -- Having grown up working on his uncle’s farm and in

May 16, 2022 Read Full Article

Regulate Jet Fuel’s Aromatics Content to Reduce Non-CO2 Impacts of Aviation, says Dutch Report

by Christopher Surgenor (GreenAir Online) Although research is ongoing, it is widely accepted aviation’s contribution to global warming goes well beyond that caused by carbon dioxide emissions alone. One of the main non-CO2 impacts is the net warming effect from the

April 29, 2022 Read Full Article

Why These Fleets Use Renewable Diesel Fuel

by Ronnie Wendt (Heavy Duty Trucking Info)  Titan Freight Systems, a regional less-than-truckload carrier in the Pacific Northwest, found renewable diesel was the key to meeting its emissions goals. -- Titan Freight Systems has provided overnight services across the Pacific Northwest

April 21, 2022 Read Full Article

Ethanol Diesel Tech Headed to Ag Fields -- ClearFlame CEO Plans to Put Ethanol-Powered Diesel Engines in Ag Equipment, Portable Generators

by Todd Neeley (DTN Progressive Farmer) ClearFlame Engine Technologies' ethanol-diesel engine will head to the field for testing in a John Deere 9-liter model, perhaps in tractors and harvesters in the fourth quarter of 2022, said ClearFlame CEO BJ Johnson. Johnson shared

March 30, 2022 Read Full Article

Proposed Rule and Related Materials for Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards

(Environmental Protection Agency) On March 3, 2022, EPA Administrator Regan signed a proposed rule that would set new, more stringent standards to reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. The proposed standards would significantly reduce

March 07, 2022 Read Full Article

Ethanol Diesel Engine Passes Road Test ClearFlame Ethanol Technology Passes Road Test in Class 8 Diesel Truck Engine

by Todd Neeley (DTN Progressive Farmer) A startup company developing technology that allows diesel trucks to run on straight renewable fuels such as ethanol announced this week at had successfully completed an on-road demonstration of the technology. ClearFlame Engine Technologies said in

February 10, 2022 Read Full Article

Coming to Terms and Time with Carbon

(Diesel Technology Forum) ... Which is why decarbonizing transportation needs to leverage the fuels and technologies we have that can cut greenhouse gas (GHG) today:   Out with the old, in with the new: Black carbon, or soot, is a byproduct of

February 01, 2022 Read Full Article

Biofuels Can Make Orbital Launches Greener

by Evan Harp (ETF Trends)  Even though space flight involves leaving the Earth, like every other sector, it is contending with its environmental impact. Two British rocket startups are claiming that their technology can reduce spaceflight’s carbon footprint through renewable fuel. Both Skyrora and Orbex have unique solutions

November 11, 2021 Read Full Article

TriMet Drives Oregon’s Transportation Industry toward a Cleaner Air Future with Shift to Renewable Diesel

by Roberta Altstadt (TriMet News) Oregon’s largest consumer of diesel to cut carbon footprint by more than half in less than a year’s time  -- On Wednesday, Oct. 27, 2021, TriMet’s Board of Directors unanimously supported TriMet’s latest step to reduce our

November 02, 2021 Read Full Article

Deere Invests in Ethanol Diesel Engine: ClearFlame Secures $17 Million to Commercialize Ethanol Diesel Engine Tech

by Todd Neeley (DTN Progressive Farmer)   Count John Deere among the companies investing in a startup company developing a heavy-duty truck engine able to run on straight ethanol. ClearFlame Engine Technologies announced Thursday it had secured another $17 million in funding

October 29, 2021 Read Full Article

Biofuels Offer a Cost-Effective Way to Lower Shipping Emissions

by Christina Nunez (Argonne National Laboratory) Swapping heavy fuel oil with fuel made from wood waste, waste fats, oils and greases could drastically cut planet-warming emissions from the shipping industry by 40 to 93%. -- Marine shipping traffic has grown steadily

October 04, 2021 Read Full Article

The Biden Administration to Ensure a Sustainable Future for Aviation: SkyNRG Americas and LanzaTech Secure DOE Funding to Produce SAF in the US

(LanzaTech)  The U.S. Department of Energy’s Bioenergy Technologies Office announced more than $64 million in funding for 22 projects focused on developing technologies and processes that produce low-cost, low-carbon biofuels. SkyNRG Americas in partnership with LanzaTech was awarded $1 million in funding for Project

September 23, 2021 Read Full Article

Decarbonizing Aviation: The Digest’s 2021 Multi-Slide Guide to LanzaJet

by Jim Lane (Biofuels Digest)  Lanzajet says we are at an inflection point for the sustainable aviation industry. Why? How? What’s LanzJet’s role in it all? How are they driving innovation and accelerating deployment of SAF? What’s the status of

September 22, 2021 Read Full Article

Fremont Switching Dozens of Vehicles to Renewable Diesel

by Joseph Geha (The Mercury News)  Switch will reduce fleet vehicle carbon emissions by 13%  -- In an effort to reduce its own carbon footprint, Fremont soon will be switching dozens of its heavy duty vehicles and equipment to renewable diesel,

August 05, 2021 Read Full Article

Better Bioblendstocks for Cleaner Diesel Vehicles

by Trevor Smith (U.S. Department of Energy) ... But new fuel blendstocks from biomass and waste resources, combined with advanced engine designs, are bringing us ever closer to a vision of clean transportation. Achieving this vision is critical for meeting

August 04, 2021 Read Full Article

Renewable Butyl Acetate for Diesel: The Digest’s 2021 Multi-Slide Guide to Butyl Acetate as Bioblendstock

by Jim Lane (Biofuels Digest)  Does renewable butyl acetate make a good fuel additive? Can it be used as a bioblendstock for diesel to decrease combustion pollutants and lower the sooting propensity of a BA/diesel-based mixture? Can it’s low freezing

July 19, 2021 Read Full Article

Using Cycloalkanes for Jet Fuel: The Digest’s 2021 Multi-Slide Guide to Ethanol-Derived Jet Blending Components

by Jim Lane (Biofuels Digest) LanzaTech, Purdue and PNNL are working together to develop a commercially viable process to convert an ethanol-derived olefin intermediate into a jet-range hydrocarbon with 60 wt.% yield to cycloalkanes and demonstrate its commercial utility as

July 14, 2021 Read Full Article

NASA-DLR Study Finds Sustainable Aviation Fuel Can Reduce Contrails

(NASA/PR Newswire) Cleaner-burning jet fuels made from sustainable sources can produce 50%-70% fewer ice crystal contrails at cruising altitude, reducing aviation's impact on the environment, according to research conducted by NASA and the German Aerospace Center (DLR). Ice crystal contrail formations can linger in

June 22, 2021 Read Full Article

A Stronger Soot Standard Soon?

by Anthony Adragna (Politico's Morning Energy)  EPA announced Thursday it would take another look at one of the agency’s most sweeping and important public health regulations that the Trump administration opted to leave alone last year, Pro’s Alex Guillén reports.

June 11, 2021 Read Full Article

SEA-LNG Warns against Delay in Addressing Shipping Decarbonisation

(SEA-LNG) Industry coalition stresses that LNG fuels reduce up to 23% of GHG emissions, and that bio- and synthetic LNG offer low risk, incremental pathways to net zero. Waiting for future fuels and not fully utilising LNG, which is safe, proven, competitive

April 20, 2021 Read Full Article

Aviation Leaders Launch First in-Flight 100% Sustainable Aviation Fuel Emissions Study on Commercial Passenger Jet

(Neste) A team of aerospace specialists has launched the world’s first in-flight emissions study using 100% sustainable aviation fuel (SAF) on a wide-body commercial passenger aircraft. Airbus, German research centre DLR, Rolls-Royce and SAF producer Neste have teamed up to start the

March 19, 2021 Read Full Article

Climate Change: Jet Fuel from Waste 'Dramatically Lowers' Emissions

by Matt McGrath (BBC) A new approach to making jet fuel from food waste has the potential to massively reduce carbon emissions from flying, scientists say. -- Currently, most of the food scraps that are used for energy around the

March 16, 2021 Read Full Article

Biofuel Opportunities for Marine Sector: The Digest’s 2020 Multi-Slide Guide to ORNL

by Jim Lane (Biofuels Digest) Oak Ridge National Laboratory’s Mike Kass shared this illuminating slide guide at ABLC 2020 as part of the marine and heavy duty biofuel opportunities panel. Dive into marine cargo vessel fuels, the advantages of using

February 11, 2021 Read Full Article

ICCT’s Vision 2050: “Ambitious Yet Feasible”

by Tammy Klein (Future Fuel Strategies)  ... ICCT (International Council on Clean Transportation) has been and, it’s clear in this document will continue to be, a major change agent for transport decarbonization globally. ICCT will use the results of the

October 01, 2020 Read Full Article

Suburban Propane Partners Acquires Stake in Oberon Fuels

by Michael Bates (NGT News) Suburban Propane Partners LP, a nationwide distributor of propane, fuel oil, and related products and services, says it is purchasing a 39% stake in Oberon Fuels Inc., based in San Diego.  Oberon, a development-stage producer of low-carbon, renewable dimethyl

September 23, 2020 Read Full Article

Sustainable Aviation Fuel: Review of Technical Pathways Report

(U.S. Department of Energy)  The Sustainable Aviation Fuel: Review of Technical Pathways report provides an overview of commercial jet aviation fuel and summarizes learnings from three BETO-supported workshops. In addition, the report focuses on insights for reducing costs and optimizing the value

September 10, 2020 Read Full Article

Waste Industry Biogas to Diesel Fuel: The Digest’s 2020 Multi-Slide Guide to T2C-Energy

by Jim Lane (Biofuels Digest) ... A new project is focused on optimizing this new TRIFTS technology at a relevant engineering scale capable of utilizing both the CO2 and CH4 portions of biogas and incorporating them into the hydrocarbon backbone

August 18, 2020 Read Full Article

Can We Get to Space without Damaging the Earth through Huge Carbon Emissions?

by David Verbeek and Helene Fouquet (Bloomberg/Los Angeles Times)  When a SpaceX Falcon Heavy rocket blasts off on a plume of white smoke, hot gases shoot out of its 27 engines, creating a thrust equal to 18 Boeing 747 aircraft. Upon reaching

August 13, 2020 Read Full Article

New Process Turns Carbon into Cleaner, High-Performance Diesel Biofuel Blendstock

(National Renewable Energy Laboratory/Phys.org) A new single-phase catalyst that enables the conversion of renewable and waste carbon into sustainable diesel fuels has been developed through a unique collaboration between the National Renewable Energy Laboratory (NREL) and two U.S. Department of Energy

July 17, 2020 Read Full Article

Cities Area Transit Goes Green with Biodiesel

(News Dakota/North Dakota Soybean Council)  This summer Cities Area Transit (CAT) buses are running on a different fuel than normal. CAT recently switched to fueling their fleet with B20, a blend of 20 percent biodiesel and 80 percent petroleum diesel. Biodiesel

July 17, 2020 Read Full Article

Sustainable HVO Fuel for Asphalt Equipment from BAM

(BAM Infra Nederland (Google Translation)) BAM Infra Nederland is the first construction company to switch to the fossil-free Hydrotreated Vegetable Oil (HVO) fuel for all its asphalt equipment. With this fuel, BAM reduces CO2 emissions through its asphalt processing teams

July 14, 2020 Read Full Article

The Benefits of Ethanol

(Nebraska Ethanol Board) In an effort to spread ethanol's clean air message, the Nebraska Ethanol Board put together this video aimed at students across the state. To help illustrate what is in gasoline and how ethanol can help, they included the

June 29, 2020 Read Full Article

Advanced Biofuels USA Publishes Updated "What's the Difference between Biodiesel and Renewable (Green) Diesel?" Adds "What Renewable Fuels Can Be Used in Compression Ignition Engines?"

(Advanced Biofuels USA) Since 2011, one of Advanced Biofuels USA's most popular publications has been "What's the Difference between Biodiesel and Renewable (Green) Diesel?"  The update of this paper has been expanded to answer the question, "What Renewable Fuels Can

June 08, 2020 Read Full Article

Wheels Keep Turning on Innovations for More Efficient and Clean Vehicles

(Department of Energy)  While approximately 30% of today’s new cars can boast fuel economy of at least 30 miles per gallon, there is still the opportunity for further efficiency gains. Top scientists, engineers, and analysts with the U.S. Department of Energy’s Co-Optimization

June 03, 2020 Read Full Article

Biofuel for Ships: Diesel and Gasoline Sourced from Renewables

by Iris Kumpmann (Fraunhofer-Gesellschaft/Tech Xplore)  ... Researchers at the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT in Oberhausen have been looking into alternative climate-friendly fuels. They are now able to produce a renewable biofuel that can be converted

May 05, 2020 Read Full Article

We Can Clearly See that Reduced Emissions Should Be a California Goal

by Mike Gatto (CalMatters)  ... However, experts tell us that it may take decades for electrics to replace the millions of light-duty cars and trucks on our roads — and even longer to realize universal access to affordable, zero-emission vehicles and

May 01, 2020 Read Full Article

Chicago Suburban Fleets Recognized for B20 Use

(Illinois Soybean Association/Biodiesel Magazine) Two Chicago-area fleets rank among the 100 Best Fleets in the Americas, an annual list of the top public fleets in North and South America. The Forest Preserve District of DuPage County ranks 28 on the list

April 30, 2020 Read Full Article

Biodiesel vs. Diesel: Everything You Need to Know

(Car and Driver) Are you thinking about switching to a biodiesel-compatible vehicle or running your current diesel car or truck on biodiesel fuel? Continue reading to learn the pros and cons of biodiesel vs. diesel, what's driving the market, and

April 28, 2020 Read Full Article

Oberon Fuels Combats Covid-19 Economy with New Hires, Renewable DME Facility Upgrades

by Helena Tavares Kennedy (Biofuels Digest)  ... In comes news of public-private investments, rural economic development and employment, and even human health. With two new executive position veteran hires, up to 8 new plant managers, and putting to use a

April 27, 2020 Read Full Article

Harvard Study Bolsters Ethanol's Role In Protecting Public Health, Saving Lives

(Oklahoma Farm Bureau)  ... The Harvard team's recent findings underscore the need to power more of our transportation system with non-petroleum-based fuels, like ethanol. The research team looked specifically at polluted areas beleaguered by fine particulate matter 2.5 (PM2.5). Motor vehicle emissions

April 21, 2020 Read Full Article

Trump Administration Declines to Stiffen US Clean Air Standards Comment DEADLINE June 29, 2020

by Emily Holden   (The Guardian)  EPA chief Wheeler says current soot regulations are adequate despite research that shows stricter rules could save thousands of lives -- Under the current standard, which was set in 2012, polluters can emit enough soot to

April 15, 2020 Read Full Article

Converting Biomass Plant into RNG – Site Layout, Catalysts Requirements: The Digest’s 2020 Multi-Slide Guide to Low-Carbon Renewable Natural Gas from Wood Wastes – Part 1

by Helena Tavares Kennedy (Biofuels Digest)  California needs facilities that can dramatically reduce GHG emissions and black carbon production by using wood waste, according to GTI. The closing of biomass power plants is leading to open burning of the excess

April 15, 2020 Read Full Article

New Diesel Engine Powered by Ethanol ClearFlame Engines Can Cut Diesel Emissions Burning Straight Ethanol

by Todd Neeley (DTN Progressive Farmer) When ClearFlame Engines CEO B.J. Johnson told ethanol industry representatives about the potential ethanol market for the company's all-ethanol diesel engine, those at the recent National Ethanol Conference in Houston could have kissed him. While concerns

March 05, 2020 Read Full Article

Rubis Launches Renewable Diesel

(Rubis)  Rubis, the Channel Islands’ most forward-thinking fuel distributor, is launching an advanced biofuel, as an immediate solution towards Jersey’s objective to reduce carbon emissions. -- After Scandinavian and Baltic countries, the Channel Islands will become only the 11th jurisdiction

February 11, 2020 Read Full Article

Turning Household Waste into Liquefied Biofuel to Save Electricity

by Edgar Brandt (New Era Live)  The founder of Nghishe Biotech, Charles Haluodi, has developed a system to convert organic waste such as food, animal and plant waste, into environmentally friendly flammable gas and organic fertiliser. ... He added that biogas is

February 07, 2020 Read Full Article

Researchers Work on Project to Develop Cleaner-Burning, Renewable Fuels

(TechXplore/University of Central Florida) Biofuels offer potential benefits as renewable fuels with cleaner emissions, but with thousands of types of biofuels to choose from, it makes it hard for the energy sector to focus on just a few for further development. That's

February 04, 2020 Read Full Article

Research Yields Potential Bioblendstock for Diesel Fuel

(National Renewable Energy Laboratory/Phys.Org)  The NREL scientists, along with colleagues at Yale University, Argonne National Laboratory, and Oak Ridge National Laboratory, are part of the Department of Energy's Co-Optimization of Fuels & Engines (Co-Optima) initiative. Co-Optima's research focuses on improving

December 19, 2019 Read Full Article

Regional Proposal for Clean Transportation Reaches Milestone States and D.C. Invite Feedback on Draft MOU, Share Estimates of Potential Benefits for Health, Environment, Economy DEADLINE February 28, 2020

(Transportation and Climate Initiative/Georgetown Climate Center)  The bipartisan group of Northeast and Mid-Atlantic jurisdictions that make up the Transportation and Climate Initiative (TCI) today invited public input on a new draft proposal for a regional program to establish a cap

December 17, 2019 Read Full Article

Fact Sheet: The Growth in Greenhouse Gas Emissions from Commercial Aviation -- Part 1 of a Series on Airlines and Climate Change

by Jeff Overton (Environmental and Energy Study Institute) This fact sheet begins a series on commercial aviation, by examining the impact the growth of air travel and freight will have on greenhouse gas emissions. The second installment will feature mitigation

October 25, 2019 Read Full Article

Climate Change, Short Lived Climate Pollutants, Black Carbon and Clean Diesel

(Diesel Technology Forum)  Thanks to the introduction of ultra-low sulfur diesel fuel, more efficient engines and more effective emissions control technologies, diesel engines, vehicles and equipment are a small and declining contributor of black carbon emissions globally. Technology and policy

October 22, 2019 Read Full Article

City Fleets Run on Bio-Based Diesel Fuels, Meeting Sustainability Goals while Delivering Essential Services

(Diesel Technology Forum)  Cities gain substantial emissions performance improvements, greenhouse gas reductions and cost savings by using the latest-generation diesel powertrains combined with bio-based diesel fuels --  More cities and counties in California are switching to renewable diesel and biodiesel fuels

October 22, 2019 Read Full Article

Oh My Neste MY: The Digest’s 2019 Multi-Slide Guide to Neste’s Renewable Diesel

by Jim Lane (Biofuels Digest)  Neste’s MY renewable diesel is the best part of ‘diesel molecules’ and diesel specs, according to Neste. Check out this presentation by Dirk Vaughn, Head of Renewable Diesel Sales North America for Neste given at

August 21, 2019 Read Full Article

British Airways and Shell to Build Europe's First Facility to Convert Rubbish into Jet Fuel

by Oliver Gill (The Telegraph) British Airways and Royal Dutch Shell have submitted plans to build Europe’s first plant that converts household waste into jet fuel. The duo will work with Velocys, a sustainable fuel specialist, on the site near to

August 20, 2019 Read Full Article

Braathens Regional Airlines, Air BP, ATR and Neste Collaborate to Achieve the ‘Perfect Flight’

by Helena Tavares Kennedy (Biofuels Digest)  In Sweden, a “perfect flight” took off. What exactly is a “perfect flight”? For some of you, it might mean wingsuit flying done by daring humans but for Neste, it’s when “Every element of the flight management

May 23, 2019 Read Full Article

Neste MY Renewable Jet Fuel Wins Award for Reduction of Black Carbon Emissions

(Neste)  Neste MY Renewable Jet Fuel has won an award for its role in reducing black carbon emissions in a competition jointly organized by the Climate Leadership Coalition, the Bioenergy Association of Finland, the Finnish Innovation Fund Sitra, the Finnish Environment Institute, and the

May 09, 2019 Read Full Article

A Sweet Approach to Clean Cooking

by Danilo De Oliveira Pereira (United National Industrial Development Organization)  UNIDO is implementing a programme which creates value chains of clean cooking fuels and technologies in several countries. With a “market enabling framework,” the organization is turning the lack of clean cooking

April 25, 2019 Read Full Article

Fonterra Making Move to Environmentally Cleaner Fuel Option

by Angie Skerrett (NewsHub)  A new diesel biofuel made from an agricultural by-product is helping power Fonterra's milk tanker fleet, and it's hoped more transport operators will follow suit. Z Energy has built New Zealand's first commercial scale bio-diesel plant, using a

March 14, 2019 Read Full Article

Biofuel Use Reduces Aviation Emissions and Contrail Cirrus Climate Effects

by S. Himmelstein  (Engineering 360) Aviation makes a significant contribution to anthropogenic climate forcing in the form of soot, aerosol and greenhouse gas emissions. Soot emissions are responsible for the formation of cirrus contrails composed of ice crystals that can trigger climate

February 27, 2019 Read Full Article

ICAO's Technical Committee Agrees Increase in Stringency Level on Particulates and CORSIA Sustainable Aviation Fuel Methodologies

(GreenAir Online)  ICAO’s Committee on Aviation Environmental Protection (CAEP) has agreed to increase the stringency level of a standard limiting emissions of non-volatile Particulate Matter (nvPM) from aircraft engines. The technical committee’s 11th (CAEP/11) triennial meeting just concluded also delivered new technology goals

February 22, 2019 Read Full Article

Heavy Duty Diesels: The Digest’s Multi-Slide Guide to Cummins

by Jim Lane (Biofuels Digest)  Cummins is conducting diesel research on mixing controlled compression ignition and advanced compression ignition with low reactivity fuels. John Deur from Cummins gave this illuminating overview of biofuel opportunities and challenges for heavy duty diesels at ABLC

January 09, 2019 Read Full Article

UC Riverside Team Examines Influence of Mid-and High-Level Ethanol Blends on Pollution from GDI Flex Fuel Vehicle

(Green Car Congress)  A team from the University of California Riverside has investigated the influence of low-, mid-, and high-ethanol fueling—as well as the influence of the aromatic hydrocarbons in the fuel blend—on the regulated and greenhouse gas emissions, the mobile

January 02, 2019 Read Full Article

Investors Turn Kenya’s Troublesome Invasive Water Hyacinth into Cheap Fuel

by Benson Rioba (Inter Press Service) Water hyacinth is a weed and if not controlled on Lake Victoria, experts are concerned that the lake’s water levels might drop by 60 percent. -- Currently 30 square kilometres of Lake Victoria, which stretches to

December 21, 2018 Read Full Article

Biodiesel By-Product Helps Fuel Come Clean

(King Abdullah University of Science and Technology/Phys.org)  ... This work on glycerol carbonate also supports Saudi Arabia's Vision 2030 initiative, which aims to diversify the Kingdom's economy from its current reliance on the oil industry. (Binod) Giri explains that this research

December 05, 2018 Read Full Article

Dairy Industry Sustainability Summit Dairy Industry Inaugural Summit Highlights Methane Emission Solutions

by Cliff Gladstein (ACT News)  ... One of the best, easiest and most cost-effective ways to reduce methane emissions from dairies is to divert manure to lagoon anaerobic digesters, clean the biogas that is produced to pipeline quality, and inject it into the

September 01, 2018 Read Full Article

To Kill Climate Rule, EPA Wants to Redefine Danger of Soot

by Niina Heikkinen (E&E News)   Whether it's in haze-shrouded cities, plumes of car exhaust or even clear skies, fine particle pollution can be found just about everywhere in the United States. ... Exposure to fine particles is linked to premature death and higher

August 07, 2018 Read Full Article

New Research Shows the Health Benefits of Ethanol-Fueled Cookstoves

by Jieyi Lu (Environmental and Energy Study Institute)  Today, about three billion people still cook and heat their homes with traditional stoves and solid fuels worldwide. These fuels and stoves are major contributors to household air pollution in the developing world.

May 07, 2018 Read Full Article

SF Tour Boat Company Switches Entire Fleet to Renewable Diesel

by Betsy Lillian (NGT News)  Red and White Fleet, a San Francisco tour boat company, has switched its entire fleet of vessels from petroleum diesel to Neste MY Renewable Diesel. Neste MY Renewable Diesel is a low-carbon fuel produced from 100% renewable

April 17, 2018 Read Full Article

Weak Governance at UN Shipping Agency Delaying Action on Climate Change

(Transparency International Secretariat)  The International Maritime Organisation (IMO) is at risk of unresolved conflicts of interest due to shortcomings in its governance, according to preliminary key findings of a new study by Transparency International. Private shipping-industry concerns could have undue influence over the policymaking

April 09, 2018 Read Full Article

Impact of Biofuels on Contrail Warming

by Fabio Caiazzo, Akshat Agarwal, Raymond L Speth and Steven R H Barrett (Environmental Research Letters)  Contrails and contrail-cirrus may be the largest source of radiative forcing (RF) attributable to aviation. Biomass-derived alternative jet fuels are a potentially major way to mitigate

January 25, 2018 Read Full Article

NASA and DLR Investigate the Impact of Aviation on the Climate - Joint Flight Tests on Alternative Fuel Emissions

(German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR)) Three weeks of research flights from Ramstein Air Base; NASA DC-8 and DLR A320 ATRA fly together; The focus is on particle emissions of alternative fuels and their influence on cloud formation from

January 15, 2018 Read Full Article

Tri Delta Transit Goes All-In with Neste MY Renewable Diesel

by Joseph Bebon (NGT News) Tri Delta Transit, which provides public transportation in Eastern Contra Costa County, Calif., has switched its entire fleet of transit buses from operating on petroleum diesel to using only Neste MY Renewable Diesel. ... “Tri Delta Transit is

December 07, 2017 Read Full Article

Carbon Negative, Compression Ignition: The Digest’s 2017 Multi-Slide Guide to Oberon Fuels

by Jim Lane (Biofuels Digest)  Oberon Fuels is facilitating the growth of the DME transportation industry by converting biogas and other hydrocarbon rich waste streams to higher valued commodities such as DME. Using its proprietary small-scale process, Oberon makes DME and

October 26, 2017 Read Full Article

Scania Will Provide Clean Buses to 20 Major Cities

(Scania) Scania today joins the Global Industry Partnership on Soot-Free Clean Bus Fleets with a commitment to, by 2018, provide modern soot-free buses to 20 major cities in Africa, Asia, Latin America and Australia.  “To tackle the challenge of poor air quality

October 10, 2017 Read Full Article

DLR and Lufthansa Technik Investigate Biofuels in New Study

(DLR) In a large-scale test, DLR combustion researchers investigated the use of biofuels as well as blends of biofuels and kerosene in a real engine. Biofuels have the potential to improve the carbon footprint and to make air transport more

June 12, 2017 Read Full Article

Clariant Cellulosic Ethanol Donation Lets 1,000 Malagasy Families Cook Safer and Cleaner

(Project Gaia)  Clariant, a world leader in specialty chemicals and one of the leading providers globally of cellulosic ethanol production technology, and Project Gaia, a non-profit promoting the use of alcohol fuels (ethanol and methanol) for household energy, announced the

May 31, 2017 Read Full Article

Climate Change: Biofuels 'Could Limit Jet Contrails'

by Jonathan Amos (BBC)  Some close-quarter flying has provided new insights into aircraft pollution.  --  US space agency-led scientists flew small, instrumented, chase planes directly in the exhaust plume of a big jet to measure the sorts of gases and particles

March 28, 2017 Read Full Article

Yale, Penn State Team Receives $1.2M Co-Optima Award to Investigate Sooting Behavior of Biofuels

(MoveEnergy)  Penn State Assistant Professor of Mechanical Engineering Yuan Xuan and researchers at Yale University will work together to identify clean-burning biofuels for next-generation internal combustion engines under to a $1.2 million award from the Energy Department’s Co-Optimization of Fuels

March 06, 2017 Read Full Article

Scripps Research Vessel, ‘Sproul,’ Realizes Biofuel Milestone

by Judith Garfield (San Diego Community Newspaper Group) ... In my first article “Scripps research on biofuels hits close to home Part 1,”readers traveled with me on Scripps Institution of Oceanography’s R/V Sproul as I helped carry out research on

February 27, 2017 Read Full Article

Phasing out Cookstoves a ‘Win-Win’ for Climate and Health, Study Shows

by Roz Pidcock (Carbon Brief)  Replacing traditional wood and coal-burning cookstoves with cleaner technology could trim nearly a tenth of a degree from global temperature and save more than 10 million lives by 2050. This is according to a new study

February 06, 2017 Read Full Article

Port of Seattle, Boeing and Alaska Airlines Release Aviation Biofuel Infrastructure Findings

(Port of Seattle) Existing pipeline, transportation resources, zoning and land use laws could accommodate new aviation biofuel blending, storage and delivery infrastructure  --  ​The Port of Seattle, Boeing and Alaska Airlines today released a first-of-its-kind study that identifies the best infrastructure

January 17, 2017 Read Full Article

Walk This Way: NYC Agrees to Run D.M.E. in New Fuels Trial

by Jim Lane (Biofuels Digest)  ...  This week, a company known as Oberon Fuels running a DME technology is coming Straight Outta New York City with the idea that you can make it out of the the boutique world of

January 16, 2017 Read Full Article

Replacing Diesel: The Digest’s 2017 Multi-Slide Guide to Oberon Fuels

by Jim Lane (Biofuels Digest)  Oberon Fuels is facilitating the growth of the DME transportation industry by converting biogas and other hydrocarbon rich waste streams to higher valued commodities such as DME. Using its proprietary small-scale process, Oberon makes DME

January 02, 2017 Read Full Article

Energy Department Announces Up to $7 Million for the Co-Optimization of Fuels and Engines

(U.S. Department of Energy)  Today, the Energy Department (DOE) announced up to $7 million for eight universities to accelerate the introduction of affordable, scalable, and sustainable high-performance fuels for use in high-efficiency, low-emission engines. Under the Co-Optimization of Fuels and Engines (Co-Optima)

December 29, 2016 Read Full Article

Renewable Diesel Powers Hamburg Airport's Heavy-Duty Ground fleet

by Ron Kotrba (Biomass Magazine)  Neste Corp. announced that Hamburg airport in Germany has started using its renewable diesel to reduce the airport’s reliance on fossil fuels and significantly reduce its carbon footprint. Renewable diesel will power heavy-duty vehicles such as aircraft tugs

November 25, 2016 Read Full Article

The High-Flown Fantasy of Aviation Biofuels

by Almuth Ernsting (Biofuelwatch/The Biomass Monitor)  ...  As far as Branson and his airline, Virgin Atlantic, were concerned, the flight was indeed no more than a stunt: The “biofuel test flight” burned 95% ordinary kerosene and just 5% biofuels, made from

September 12, 2016 Read Full Article

Biodiesel a Fuel Option for Army Workboats

by John Simpson (Engineering 360) A three-year study to evaluate the feasibility of using biodiesel fuel in U.S. Army Corps of Engineers (USACE) floating plant operations has concluded that the use of such fuels does not negatively affect engine performance and can

September 11, 2016 Read Full Article

Biodiesel from the Right Sources Can Burn More Cleanly than Regular Diesel: Report

by Jim Lane (Biofuels Digest)  In California, the Mineta National Transit Research Consortium at San José State University released a study on the generation of various pollutants during low-temperature combustion (LTC) of several types of biodiesel in comparison to ultra-low sulfur

August 30, 2016 Read Full Article

How Different Is Diesel from Biodiesel, Really?

by Laurie Winkless (Materials Today)  Australian researchers have found that particulate emissions from a diesel exhaust are heavily influenced by the fuel’s composition According to the European Commission, biofuels now represent around 5 per cent of all transport fuel used in

May 19, 2016 Read Full Article

Climate and Health Impacts of US Emissions Reductions Consistent with 2 °C

by Drew T. Shindell, Yunha Lee & Greg Faluvegi (Nature Climate Change)  An emissions trajectory for the US consistent with 2 °C warming would require marked societal changes, making it crucial to understand the associated benefits. Previous studies have examined technological potentials

February 23, 2016 Read Full Article

From February 2016: Approval for Hydrotreated Vegetable Oil (HVO): Mercedes-Benz Truck Models Approved for Alternative Fuel HVO

(Daimler)  Approval for trucks with heavy-duty OM 470, OM 471 engines as well as medium-duty OM 936 and OM 934 variants; Use of HVO validated by extensive testing; maintenance intervals unchanged; The HVO raw material is sourced from controlled and certified cultivation

February 23, 2016 Read Full Article

Biodiesel Taking a Bite out of Emissions in the Big Apple

by Tom Slunecka (Biodiesel Magazine/Minnesota Soybean Research & Promotion Council) ... For those of us old enough to remember the 1970s (I thought I’d never be old enough to write that), America’s cities often fought a losing, or possibly lukewarm, battle against

February 10, 2016 Read Full Article

What Do the Super Bowl, UPS, the City of San Francisco and the Local Water Untility in Eugene, Oregon All Have in Common?

(Diesel Technology Forum) They are all committed to using renewable diesel fuel.  Interest in renewable diesel fuel is growing quickly among public and private fleets looking to reduce carbon emissions and improve air quality without sacrificing power, performance, and driving

January 28, 2016 Read Full Article

Hyacinths and Sawdust Used to Combat Africa’s Cooking Pollution

by Anna Hirtenstein (Bloomberg/The Washington Post)  A brew made from sawdust and water hyacinth flowers may help reduce the millions of lives lost across the developing world from the fumes of ramshackle cooking equipment. Those are the ingredients being used by Green

November 17, 2015 Read Full Article

EPA Says Volkswagen Cheated a 2nd Time on Pollution Tests

by Matthew Daly and Tom Krisher (Associated Press/Washington Post)  ... The Environmental Protection Agency, along with the California Air Resources Board, said Volkswagen installed software on thousands of Audi, Porsche and VW cars with six-cylinder diesel engines that allowed them to emit

November 03, 2015 Read Full Article

How Could Volkswagen’s Top Engineers Not Have Known?

by DuneLawrence, Benjamin Elgin, Vernon Silver (Bloomberg Business)  ... From February through April 2013, they (researchers from West Virginia University's Center for Alternative Fuels, Engines and Emissions) tested three diesel cars: a Volkswagen Jetta, a Volkswagen Passat, and a BMW SUV. Besch took

October 23, 2015 Read Full Article

UPM BioVerno Diesel Found to Reduce Tailpipe Emissions

(Biofuels International)  Wood-based BioVerno diesel by Finland’s UPM has been found to significantly reduce harmful tailpipe emissions, the company reports. A number of engine and vehicle tests have been carried out across key research institutes, such as VTT Technical Research Centre

October 01, 2015 Read Full Article

Oberon Fuels, Ford and FVV Partner to Build, Fuel, and Test the World’s First Production Passenger Car Powered by DME

by Jim Lane (Biofuels Digest)  In California, Oberon Fuels, Ford Motor Company, and FVV have partnered on a 3-year, €3.5M project to research, analyze and test the potential of dimethyl ether and OME fuel in passenger cars and heavy-duty truck

September 16, 2015 Read Full Article

Fuel Emissions - Gas, Ethanol, E85, Kerosene

(McHenry County Farm Bureau)  Larry, Ag in the Classroom Coordinator for McHenry County Farm Bureau shows us differences in fuel emissions, first looking at a 90% gasoline / 10% ethanol, then E85 - 15% gasoline / 85% ethanol, then 2

September 02, 2015 Read Full Article

NASA Begins Flight Research Campaign Using Alternate Jet Fuel

(National Aeronautics and Space Administration)   NASA researchers have begun a series of flights using the agency's DC-8 flying laboratory to study the effects of alternate biofuel on engine performance, emissions and aircraft-generated contrails at altitude. The Alternative Fuel Effects on Contrails

March 04, 2013 Read Full Article

Black Carbon Ranks as Second-Biggest Human Cause of Global Warming

by Juliet Eilperin (The Washington Post)  Soot ranks as the second-largest human contributor to climate change, exerting twice as much of an impact as previously  thought, according to an analysis released Tuesday. The four-year, 232-page study of black carbon, published in

January 16, 2013 Read Full Article

Analysis of 100 Percent Biofuel Tested in Flight by NRC Reveals Reduction in Emissions

(National Research Council Canada/Aviation.ca)  Results from the world’s first civil flight powered by 100 percent biofuel released by the National Research Council of Canada (NRC) show that the biofuel used in the flight last October is cleaner than and as

January 11, 2013 Read Full Article

Biomass Burning Really Heats Things Up: New Study Shows Significance of Fire's Brown Carbon for Global Warming

(Institute for Governance & Sustainable Development / Environmental News Network)  Emissions from forest fires and other biomass burning has a greater impact on global warming than previously understood, according to a new study. “We used to think the lighter particles in

July 06, 2012 Read Full Article

Members of the European Parliament Call for Cuts in Non-CO2 Greenhouse Emissions

(European Parliament)   Great efforts have been made to reduce CO2 emissions in Europe and internationally, but a number of other substances are also causing Arctic ice-melt and on Wednesday MEPs called for action against so-called non-CO2 emissions including the

September 19, 2011 Read Full Article
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Dominican Republic double cropping drawdown Drones/Unmanned Aerial Vehicles (UAV) drop-in biofuels/hydrocarbons drought drought tolerant drought-resistant dry ice dual cropping dual-fuel/flex fuel ships Dubai duckweed e e-diesel e-LNG (synthetic/electro Liquified Natural Gas) e-methanol e-NG (synthetic natural gas) E. coli E0 E0 price E1 E10 E10 certification fuel E10 price E100 E100 conversion kit E11 E12 E13 E15 E15 price E15 pumps E2 E20 E20 price E20 pumps E22 E25 E25 pumps E27 E3 E30 E30 capable E30 certification fuel E30 optimized E30 price E30 pumps E35 E4 E40 E40 conversion kit E40 pumps E5 E5 price E50 E55 E6 E7 E70 diesel E75 E78 E8 E80 E85 E85 conversion kit E85 optimized engines E85 price E85 pumps E90 E92 E95 E97 E98 earthquakes East Africa Eastern Europe economic development Economic Development Administration economic modeling economic policy economics Ecosystems Services Ecuador ED7 (7% ethanol 93% diesel) ED95 education Education Series 3030 educational business private educational tour EERE efficiency egg shell Egypt El Salvador Electric aircraft Electric Car/Electric Vehicle (EV) electric car/Electric Vehicle (EV) Prices electric grid electricity electricity price electricity/power generation electricity/power transmission electrocatalysis electrochemical electrochemical cell electrofuels (e-fuels) electrofuels (e-fuels) prices electrolysis electrolytic cation exchange electromethanogenesis (ME) electrons Elephant grass/Napier grass elephants embargo eminent domain emissions emissions standards EN 15751 EN 15940 EN 16709 EN 228 EN 590 EN228 (standard pump gasoline) end user end-of-life Endangered Species Act (ESA) Energy Bill energy cane energy consumption energy crops energy density energy dominance energy grasses energy independence Energy Independence and Security Act of 2007 (EISA) Energy Information Administration (US EIA) energy law energy policy energy prices energy reserves Energy Return on Energy Invested (EROEI or EROI) energy security Energy Security Trust energy storage enforcement engine Engine Development engine problems Engine/Fuel Co-optimization engineering England enhanced oil recovery (EOR) entrepreneur environment environmental impact study (EIS) environmental justice/socially inclusive environmental policy Environmental Quality Incentive Program (EQIP) Environmentalists Enzymatic enzymatic conversion enzymatic depolymerization enzymatic hydrolysis enzyme production enzyme recycling Enzyme solicitation enzymes EPA (Environmental Protection Agency) EPACT (Energy Policy Act) Equatorial Guinea equipment eRINs/electric pathway Eritrea erosion control EROWI (Energy Return on Water Invested) ESG (Environmental Social Governance) esterification Estonia ETBE (ethyl tert-butyl ether) etha ethane ethanol ethanol benefits ethanol blend wall ethanol blended diesel ED ethanol blends/ethanol flex fuels ethanol emissions ethanol ether diesel fuel ethanol fire ethanol fuel cells ethanol hybrid ethanol pipeline ethanol prices ethanol production ethanol pumps ethanol tax ethanol terminal ethanol to gas ethanol tolerance ethanol-fueled aircraft Ethanol-to-Gasoline (ETG) ethanol/bioethanol ethanol/diesel ethanol/methanol synthesis ethanol2G Ethiopia Ethiopian mustard ethyl levulinate (EL) ethylbenzene ethylene ets eucalyptus Euglena European Emissions Trading System (ETS) European Union (EU) eutrophication executive order executive order--state Extended Range Electric Vehicle (EREV) externalities extremophiles f F Factor F-24 F-34 F-76 (Marine Diesel) F-T FAEE FAEE (fatty acid ethyl esters) Fair trade False Claims Act FAME (Fatty Acid Methyl Ester) Farm Bill Farm Bureau farm equipment farm policy Farm to Fleet Farm to Fly farmers farming farnesane farnesene Fats fecal sludge Federal Aviation Administration (FAA) Federal Bureau of Investigation (FBI) Federal Emergency Management Agency (FEMA) Federal Energy Regulatory Commission (FERC) Federal Highway Administration (FHWA) federal land Federal Railroad Administration Federal Reserve Bank Federal Trade Commission (FTC) Federal Transit Administration (FTA) feed Feed In Tariffs (FIT) feed prices Feedstock Flexibility Program for Bioenergy Producers feedstock logistics feedstock material feedstock prices feedstock storage feedstock terminal feedstock transportation Feedstocks fermentation ferry fertilizer fiber Fiji Financing Finland Fischer-Tropsch Synthetic Kerosene with Aromatics (FT-SKA) Fischer-Tropsch Synthetic Paraffinic Kerosene (FT-SPK) Fischer-Tropsch Synthetic Paraffinic Kerosene with Aromatics (FT-SPK/A) Fischer-Tropsch/FT fish feed fish oil fish waste fit for purpose Fixed Base Operator (FBO) flameleaf sumac flavors flax fleet turnover Fleets fleshings flex-fuel vehicles (FFV) flight tests Flightpath flixweed/tansy/herb-Sophia flood-prone soil Florida flue gas FOG (Fats/Oils/Grease) follow-the-crop food Food and Agriculture Organisation (FAO) Food and Drug Administration (FDA) food and fuel food policy food prices food processing waste food safety food security food vs biomaterials/bioplastics food vs fuel food waste for forage forage sorghum forecasts foreign oil Foreign Policy forest Forest Biomass for Energy forest biotechnology forest residue/waste Forest resources Forest Service forestry forklifts Formate formic acid fossil carbon fossil fuel Frace fracking fractionation fragrance France franchise fraud free fatty acids (FFA) Freedom of Information Act (FOIA) freight/cargo French French Guiana fructose fruit FT-SKA fuel fuel additives fuel cell electric vehicle (FCEV) fuel cells fuel economy fuel efficiency fuel injection fuel mixtures fuel molecules fuel oil fuel performance fuel prices Fuel Quality Directive (FQD) fuel registration Fuel Retailers fuel testing fuel transportation fuel use fuel wholesaler fully burdened cost fund funding fungus/fungi Furanics furfural fusel oils Future Farmers of America (FFA) Gabon gallium Gambia games gas prices gas tax/highway user fee gas-to-liquid (GTL) gasification gasoline gasoline baseline gasoline consumption gasoline mandate gasoline markets gasoline price gasoline-range hydrocarbons Gemany General Services Administration general waiver authority generators genetically engineered yeast cells genetically enhanced microbes genetically modified organism (GMO) genome Georgia Georgia (country) geothermal German Germany Gerrmany Ghana GHG (Greenhouse Gas Emissions) GHG (Greenhouse Gas Emissions) Intensity giant cane giant kelp Giant King Grass Giant Reed/Arundo GIS glass tubing gliricidia sepium global rebound effect Global South global warming global warming potential glucose glycerin glycerin standards glycerol goats gorse Governance practices) Government Accountability Office (GAO) government investment government resources government subsidies grain sorghum/milo grain speculators grains GRAND-AM grants grants-local grants-state grapefruit grapes graphene graphite GRAS (generally regarded as safe) Grasses grasshoppers grease Great Green Fleet Great Lakes Greece green bonds green chemistry Green Deal EU green economy green house facility Green Jobs Green New Deal Green Racing Green Recovery green/black economy Greenland GREET Greenhouse Gases Regulated Emissions and Energy Use in Transportation Model Grenada gribble growers gua beans Guam guar Guatemala Guava Seed guayule Guerbet reaction Guinea Guinea Bissau Gulf states gulmohar Gumweed (grindelia squarosa) Guyana GWP gypsum h Haiti Halophytes harvest site processing harvesting Hawai'i hay hazardous waste hazelnut HBIIP Higher Blends Infrastructure Incentive Program HDCJ HDO-SAK (hydro deoxygenated synthetic aromatic kerosene) health health benefits health effects heat of combustion heat of vaporization heat-tolerance heather heating oil/fuel Heavy Duty Truck Rule heavy duty vehicles (HDV) hedging HEFA (Hydro-processed esters and fatty acids) HEFA50 helicopters hemicellulace enzymes hemicellulose hemicellulosic sugars Hemp hemp oil hemp seed herb hexanol HFO (Heavy Residual Fuel Oil) hibiscus high blend renewable fuels (HBRF) High Hydrogen Content Synthetic Paraffinic Kerosene (HHC-SPK) High Octane Fuel (HOF) High Octane Fuel Standard High Octane Gasoline (HOG) high octane low carbon (HOLC) fuel High Octane Vehicles (HOV) high performance regular high school project high sulphur fuel oil (HSFO) high-octane/low-carbon (HOLC) liquid fuels Highway Bill highway rights-of-way Highway Trust Fund history hog farmers hombayniya homogeneous-charge compression-ignition Honduras honey locust Hong Kong Honge tree nuts hops horticulture Housing and Urban Development (HUD) HPF (High Performance Fuels) HRJ (Hydrotreated Renewable Jet) human rights Hungary Hurricane Sandy HVO (Hydrotreated vegetable oil) HVO100 HVO20 HVO30 Hybrid aircraft hybrid buses hybrid locomotive hybrid ships hybrids hydrocarbon fuels Hydrocarbon-Hydroprocesed Esters and Fatty Acids (HC-HEFA-SPK) hydrodeoxygenation hydrodiesel hydrofaction hydroformylation hydrogen aircraft hydrogen carrier hydrogen combustion engines hydrogen fuel cells hydrogen internal combustion engines hydrogen leaks hydrogen pipeline hydrogen pumps/fueling stations hydrogen tax credit hydrogen terminal Hydrogen/Renewable Hydrogen Hydrogen/Renewable Hydrogen Price hydrogenase hydrogenation hydrogenation-derived renewable diesel (HDRD) hydrogenolysis hydropower Hydroprocessed fermented sugars to synthetic isoparaffins (HFS-SIP) hydroprocessing hydropyrolysis hydrothermal carbonization hydrothermal gasification hydrothermal liquefaction (HTL) hydrothermal treatment Hydrotreated renewable diesel (HRD) hydrotreating hydrotreatment hydrous ethanol hypoxia zone Iceland Idaho Illinois Illiois illuppai ILUC (Indirect/Induced Land Use Change) import/export incinerator ash India Indian beech tree Indian grass Indiana indirect effects indirect emissions indirect fuel use change indium Indonesia industrial burners industrial ethanol industrial gases industrial sugars industrial waste industrial waste gases IndyCar infographic Infrastructure inhibitors innovation insecticide/pesticide insects insurance integrated biorefineries integrated food/energy systems intellectual property Inter-American Development Bank inter-crop interactive map intercropping internal combustion engine (ICE) internal combustion engine (ICE)/gasoline engine ban International international balance of payments International Council on Clean Transportation (ICCT) International Energy Agency (IEA) International Maritime Organization (IMO) International Monetary Fund (IMF) International Organization for Standardization (ISO) International Renewable Energy Agency (IRENA) International Sustainability and Carbon Certification model(ISCC) International Trade International Trade Administration International Trade Commission Internships inulin invasive species Investing investment tax credit Invvesting ionic liquids Iowa IPCC Intergovernmental Panel on Climate Change Iran Iraq Ireland iridium iron iron oxide IRS (Internal Revenue Service) IS 1460 ISO 8217 (marine distillate fuel standard) ISO 9000 isobutanol isobutanol price isobutanol pump price isobutene isobutylene isomerisation isooctane isooctene isopropanol Israel Italy Ivory Coast JAA jackfruit Jamaica jamelão Japan jatobá Jatropha Jersey Jerusalem artichoke jet jet A Jet A-1 jet B Jetfuel (Sustainable Aviation Fuel (SAF)) Jimmy Carter Jobs Joint Office of Energy and Transportation jojoba Jordan JP-10 JP-4 JP-5/NATO F-44 JP-8/NATO F-34 juniper Just A MInute Just Transition jute K-12 Education Kabakanjagala kalanchoe kamani Kans grass Kansas Karanja Kazakhstan kelp Kemiri Sunan kenaf Kentucky Kenya kerosene ketones kinggrass Kiribati knotweed Knowledge Discovery Framework Korea Kosovo kudzu kukui nut kulpa kusum Kuwait Kygryzstan labels labor policy Labrador lactic acid lactose Lake County lamp oil land ownership land prices land rights land subsidence land tenure land transfer land use land use change land use policy landfill methane Landfills landscape Laos Latin America Latvia LCFS (Low Carbon Fuel Standard) lead Leadtree leaf ant Lebanon lecithin legislation Legislation-Federal Legislation-State lemna lend-lease Lesotho lesquerella leucaena levulinic acid Liberia Libya licensing lichens life cycle analysis (LCA) light rail lignin Lignin Ethanol Oil (LEO) Lignocellulosic Biofuel lignocellulosic sugars lime Lipid liquefaction liquid liquid petroleum gas (LPG) liquid transportation fuels liquidation Liquified Biogas (LBG) Liquified Biogas (LBG) pumps liquified biomethane (LBM) Liquified Natural Gas (LNG) lithium Lithuania litigation Litigation-Federal Litigation-State livestock loan guarantees loans lobbying loblolly pine locomotives lodgepole pine logistics long-term contracts Louis Louisiana low c low carbon emissions low carbon octane standard (LCOS) Low Emission Vehicle Standards (LEV) low sulfur diesel low sulfur fuel low sulfur marine fuel LSMGO (Low Sulfur Marine Gas Oil) lubricants lumber mill Luxembourg lysis M100 M15 M3 M50 ma macadamia macauba Macedonia machine learning machinery macororo Madagascar magnesium mahua Maine Malawi Malaysia Maldives Mali mallees Malta Malyasia mamona management changes mandates mangaba manganese mango mangrove Manitoba mannose manure maple maps marginal land marine algae Marine Corps Marine Diesel Oil (MDO) Marine Fuel Oil Marine Gas Oil (MGO) Marine/Maritime Bio and Renewable/Sustainable Fuel (SMF) Marine/Maritime Bio and Renewable/Sustainable Fuel (SMF) price Marine/Maritime Bio and Renewable/Sustainable Fuel Terminal Marine/maritime renewable fuel terminal/bunkering market forces market share marketing markets/sales Mars Marshall Islands Maryland Masdar Institute mass balance standard Massachusetts Master Limited Partnership (MLP) Mauritania Mauritius Mazda meat mechanics training medical waste MEEC membranes mergers and acquisitions mesquite methanation methane leaks methane/biomethane methanization methanol benefits methanol fuel cells methanol hybrid methanol price Methanol-to-Gasoline Methanol-to-Jet (MTJ-SPK) Methanol/Biomethanol/Renewable Methanol methylbutenol Mexico Michelin GreenX Challenge Michigan micro-crop microalgae microbial electrosynthesis microbiology microorganisms/microbes microwave Mid-Atlantic Middle East Midwest mileage military military policy military reserves military specifications military strategic flexibility military strategy military use of biofuels milk permeate millennium fruit millet millettia pinnata milo stover mineralization minerals mining Minn Minnesota miscanthus misfueling missile fuel Mississippi Missouri mixed prarie mobile refinery modeling modular molasses mold Moldova molinia molybdenum MON (Motor Octane Number) Monaco Mongolia mongongo monitoring/measuring reporting verifiction (MRV) Montana Montenegro moose morama Moringa tree Morocco morula motorcycles motors MOVES (motor vehicle emissions simulator) modeling system MOVES2014 MOVES3 (MOtor Vehicle Emission Simulator model) Mozambique MSW (Municipal Solid Waste) MTBE (Methyl tert-butyl ether) multi-fuel municipal/city mushroom mushroom substrate mustard seed mvr Myanmar n-butanol n-butene nahar Namibia nano nano particles nanocatalysts nanocellulose nanomaterials naphtha/bionaphtha/renewable naphtha naphthene NASCAR National Academies of Science National Aeronautics and Space Administration (NASA) National Energy Council National Environmental Policy Act National Guard National Highway Traffic Safety Administration (NHTSA) National Institute of Standards and Technology (NIST) National Institutes of Health (NIH) National Laboratory National Oceanic and Atmospheric Administration (NOAA) National Oilheat Research Alliance National Park Service National Research Council National Science Foundation (NSF) national security National Security Council National Transportation Safety Board National Transportation Safety Board (NTSB) Nationally Determined Contribution (NDC) Native American/American Indian/First 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ocean-based energy Oceania octane octane price/value octanol Office of Energy Efficiency and Renewable Energy Office of Management and Budget (OMB) Office of Science and Technology Policy Office of Science and Technology Policy (OSTP) Office of Science Technology and Policy (OSTP) Offices of Inspector Generals offtake agreements Ohio oil oil embargo oil exploration oil monopoly oil p oil price parity oil prices oil production oil refineries oil replacement oil sands oil seed oil seed crops oil speculators oil spill oil subsidies oil taxes oil/gas terminals Oilcane Oils Oklahoma olefins oligomerization olive cake olive oil olive pits olive pomace olive water olives Oman Omega-3s on-farm algae production on-farm ammonia production on-farm biodiesel on-farm ethanol production on-farm natural gas production on-farm processing on-site hydrogen production one p one pound waiver onion waste online courses Ontaio Ontario OPEC (Organization of the Petroleum Exporting Countries) open fuel standard open pond opportunity zones optimized flex fuel vehicles orange peel orchard grass orchard prunings Oregon organic solar cells Organization for Economic Cooperation and Development (OECD) osage orange OSHA Overseas Private Investment Corporation overview overview/survey course owa oxygen oxygenate ozone Pakistan Palau palm palm biomass palm fatty acid distillate palm fiber palm fronds palm kernel palm kernel oil palm kernel shell palm oil Palm Oil Methyl Ester (PME) palm oil mill effluent (POME) palm oil prices palm trunk sap palm waste Paludiculture/peatland cultivation Panama pandas panic grass papaya paper Papua Indonesia Papua New Guinea paraffins Paraguay Paris Agreement parity partial waiver particulates pasture land Patent and Trademark Office (PTO) patents pathways Paulownia paulownia tree payments peach shell peaches peak oil peak oil demand peanuts/groundnuts peas pectin peela kaner pellet pellets Pennsylvania pennycress/stinkweed pentane pentanol pentose pequi perennial grains perennial grasses Performance permitting Peru pest-tolerance pesticide-tolerance pests pet food petition petroleum pharmaceuticals phase separation Philippines phosphorus photobioreactor photoelectrocatalysis photoelectrochemical photolysis photosynthesis phragmites pigeon pea pilot pilot scale pine pine beetle pine needles pine nut pineapple Pineapple leaf pinion Pipeline and Hazardous Materials Safety Admin (PHMSA) pipelines Pistacia chinensis PLA plant cell research plant cell walls plant oil plastic plastic-to-jet platinum Plug-in Flex Fuel Hybrid Plug-in Hybrid Electric Vehicle (PHEV) plume grass Poand podcasts Poland poli Policy politics pollinators pollution pollution control polyethylene polyfuel polymer polymerization polysaccharides pomace pomegranates pongamia pongamia pinnata poplar poppy population control Portable refinery Portugal poster sessions potamogeton potassium potato poultry litter/waste power power-to-x/gas/liquid prairie grasses pre-processing precision farming/agriculture precursors/biointermediates premium gasoline Pretreatment pretreatment equipment price price of water prickly pear Prince Edward Island process flow diagram producer tax credit Production tax credit productivity project insurance propagating Propane/Biopropane/Renewable Propane propane/renewable propane pumps propanol property insurance propylene protectionism protein protests proton exchange membrane (PEM) public comments public health policy Puerto Rico pulp Pulp/Paper Mill pump retrofit kit pumps/fueling station pungam Punnai tree pyrolysis pyrolytic liquefaction Q-RIN QAP Qatar quality assurance Quality Assurance Plans (QAPs) quality improvement quantum dots Quebec Queensland quote of the week r R Factor R100/RD100 R33 R5 R95B5/RD95B5 R99/RD99 rabbits race radiata pine radish leaves Rahal Letterman Lanigan Racing railroad rain tree rainforest ranchers RAND rare earth metal/critical minerals RD10 RD100 RD20 RD3 RD30 RD40 RD50 RD55 RD80 RD80B20 RD99 reclaimed mine lands Recycled Carbon Fuel (RCF) recycled oil recycled plastics recycling red algae redcedar Reducing Emissions from Deforestation and Forest Degradation Refined Bleached Deodorized Palm Oil (RBDPO) refineries reforestation Reformate regenerative braking regenerative farming Regional Conservation Partnership Program (RCPP) Regulated Emissions regulations Regulations-Federal Regulations-State Regulatory Enhancement Growth Support (REGS) Reid vapor pressure (RVP) remediation remediation rice straw Renewable Chemical renewable chemical producer tax incentive renewable chemical production tax credit renewable diesel pipelines Renewable Diesel Production renewable diesel pumps renewable diesel tax credit renewable diesel terminal Renewable Diesel/Green Diesel price Renewable Diesel/Green Diesel/HVO/Paraffinic Diesel Renewable Energy Renewable Energy Directive (RED/RED II/RED III) Renewable Energy Standard Renewable Energy to Fuels through Utilization of Energy-Dense Liquids (REFUEL) renewable fuel renewable fuel oil (RFO) Renewable Fuel Standard (RFS and RFS2) Renewable Fuel Standard (RFS2) revisions/repeal Renewable Fuels Directive (EU) renewable fuels of non-biological origin (RFNBO) renewable gasoline blendstock renewable marine diesel renewable naphtha-with-ethanol-t0-jet (NETJ) Renewable Natural Gas (RNG) Renewable Natural Gas (RNG) price Renewable Natural Gas (RNG) pumps Renewable Portfolio Standards Renewable Power Standard Renewable Synthesized Iso-Paraffinic Fuels (SIP) Renewable Transport Fuel Obligation (RTFO) renewable volume obligation (RVO) REnova RenovaBio replacement molecules Repowering Assistance Program Republic of Congo repurpose research and development research facility resiliency resource depletion resurrection grass retail retrofit return on investment Reverse Water-gas Shift RFI (Request for Information) RFS "reset" RHD100 Rhizosphere Observations Optimizing Terrestrial Sequestration (ROOTS) Rhode Island rhododendron Ricardo rice rice bran rice bran oil rice hulls rice husks rice price rice straw/paddy straw RICO (Racketeer Influenced and Corrupt Organizations Act) RIMPAC RINs (Renewable Identification Numbers) RINs markets RINs price risk management RJ-4 RJ-6 RME (rape methyl ester) RME180 RNA (Ribonucleic acid) RNG tax credit roadmap rocket fuel Romania RON (Research Octane Number) rosin rotation crops Roundtable on Sustainable Biomaterials (RSB) royalties RP-1 RTP (rapid thermal processing) rubber rubber seeds rumen ruminants rural development Rural Energy for America Program (REAP) Rural Energy Self-Sufficiency Initiative Rural Renewable Energy Pilot Program rushes Russia Russian olive rutabaga Rwanda ry rye Rye grass rye straw s saccharification SAF pipeline SAF10 SAF30 SAF40 SAFc (Sustainable Aviation Fuel certificates) Safer and Affordable Fuel Efficient Vehicles (SAFE) safety safflower sago pond weed SAIC sal tree Salicornia salt water salt-tolerant saltbush saltcedar Samoa Sanctions Santa Monica sardine oil Saskatchewan Saudi Arabia sawdust scale up Scandinavia scholarships/fellowships Science Advisory Board (SAB) Science Based Targets initiative (SBTi) Science Policy scooters Scotland scum sea level rise seaports seashore mallow seawater seaweed cultivation Seaweed/Macroalgae second-generation biofuel income tax credit Section 526 Securities and Exchange Commission (SEC) seed husks seed-to-wheel Senegal Serbia sesame sewage Seychelles shale shale gas shale oil shark oil Shea sheep shellfish shipping shipping containers shipworm siam weed Sierra Leone silage silica Silphie/cup plant/Indian cup silver silver maple simarouba Singapore Singpore sisal SK slash Slovakia Slovakia/Slovak Republic Slovenia sludge Small Business Administration Small Business Innovatin Research (SBIR) Small Business Technology Transfer (STTR) Program small engines small refinery exemption (SRE) smog smokestack soap soapstock Social social benefit investing social cost social value social venture Society 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taro Tasmania tax benefit tax credits tax incentives tax parity tax policy taxes tea teach teach-the-teacher teacher teacher resources teacher training tech transfer technical course Technical Readiness Levels techno-economic analysis technology transfer telephone utility poles Tennessee termites terpenes terrestrial carbon testing Texas textbook Thailand theft therapeutics Thermal catalytic depolymerization (TCD) thermal deoxygenation thermocatalytic conversion thermochemical conversion thermochemical liquefaction Tibet Tier 3 Tier 4 tilapia tillage Timor-Leste tires tobacco tobacco tree Togo Tokyo toluene Tonga tool Toronto torrefaction totai Toxic Substances Control Act (TSCA) trade trade dispute/discrimination trade group trade organization Trade Policy trade secrets training trains transesterification transgenics transition Transportation Fuels Policy Transportation Fuels Policy--Municipal Transportation Fuels Policy--State Transportation Policy travel policy Treasury Department 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