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Pulp Non-Fiction: Mercer International Finds Allure, Redemption in the Advanced Bioeconomy

by Jim Lane (Biofuels Digest)  ... Black liquor, they called her. Thick, volatile, carbon-rich. The kind you burn without thinking, just to feel the heat. Most mills did. Most couldn’t help themselves. But Mercer… Mercer looked closer. They saw through the smoke.

June 18, 2025 Read Full Article

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

DNV: IMO to Review Circular on Bunker Tankers Carrying Biofuel Blends up to B30

(Manifold Times) IMO PPR12 finalised an interim circular allowing conventional bunker ships certified as oil tankers under MARPOL Annex I to carry biofuel blends containing up to 30% biofuel; circular is subject to approval by MEPC 83 in April. Classification society DNV

February 10, 2025 Read Full Article

PPR 12: Shipping Nations Must Switch to Cleaner Fuels to Cut Black Carbon Pollution

(Clean Arctic Alliance)   As a meeting of the International Maritime Organization’s (IMO) Pollution Prevention and Response sub-committee (PPR 12, 27-31 January) gets underway next week in London, the Clean Arctic Alliance called for the international shipping body to reduce the impact

January 30, 2025 Read Full Article

HD Hyundai Oilbank Advances in Biofuel and Circular Economy Sectors

by Jung Suk-yee (Business Korea) Company Pioneers Circular Naphtha from Pyrolysis Oil and Bio Naphtha from Waste Cooking Oil -- In a series of groundbreaking developments, HD Hyundai Oilbank has made significant strides in the biofuel and circular economy sectors, positioning itself as a

November 29, 2024 Read Full Article

The Digest’s 2024 Multi-Slide Guide to Methane Pyrolysis and Turquoise Hydrogen

by Jim Lane (Biofuels Digest) Turquoise hydrogen is made by the process of decomposing methane (methane pyrolysis), which can be either fossil or biological in origin. Turquoise hydrogen is considered low carbon because it creates a solid carbon (carbon black) that can

July 24, 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

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

A New Hydrogen: from Methane, via Pyrolysis, without the CO2 Release

by Chingis Idrissov (IDTechEx/Biofuels Digest) Digest note. This column from Chingis Idrissov focuses on production of hydrogen from methane, with an underlying assumption that the methane will come from fossil gas reserves. But, not necessarily so. There’s renewable methane, which

June 30, 2023 Read Full Article

Pyrum and SUEZ Sign Exclusivity Agreement to Build Pyrum's First UK Pyrolysis Plant

(Pyrum Innovations) During the one-year exclusivity phase, the first location will be determined and the approval process will begin; The plant will consist of three pyrolysis reactors with a capacity of around 20,000 tons of used tires per year --

June 29, 2023 Read Full Article

Greenergy Enters the Sustainable Aviation Fuel Market with New Teesside Plant

(Greenergy)  Greenergy is to enter the Sustainable Aviation Fuels (SAF) market through a new plant planned on Teesside. The company has submitted a planning application for two renewable fuel plants located at the same complex. The SAF plant will be the

June 26, 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

The Pathways to Biofuels: A Survey of Why We Should Stop Fretting

byMichael Barnard (CleanTechnica) We have enough waste biomass feedstock to fulfill all of our transportation needs, and the market and a bunch of bright people will figure out which ones are cheapest and lowest impact. ... And in this future world of

May 24, 2023 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

Ethanol’s Clean Octane Key to EPA Particulate Rule

by Doug Duarante (Clean Fuels Development Coalition/Governors' Biofuels Coalition) Coalition Urges Administrator to Address Mobile Sources -- In a detailed letter to the U.S. Environmental Protection Agency, the Clean Fuels Development Coalition (CFDC) called on the agency to use its existing

September 13, 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

Our Best Chance to Avert a Catastrophic Climate Crisis

(California Natural Gas Vehicle Partnership) At the COP26 summit in Scotland in November 2021, the world’s leading climate scientists agreed that the #1 priority — the only measure to avert a catastrophic and irreversible climate crisis — is to immediately

May 04, 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

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

Opinion: California Is Missing the Boat on Climate Change

by Winston Hickox and Jim Boyd (Mercury News)   ... The climate conference in Glasgow made it clear that the No. 1 priority — the only measure that can prevent cataclysmic climate change — is to cut the climate super pollutants

November 24, 2021 Read Full Article

Renewable Diesel Byproduct to Fuel Low-Carbon Rocket Launch

by Ron Kotrba (Biobased Diesel Daily) The carbon footprint of launching the new Orbex Prime space rocket will be up to 96 percent lower than comparable space launch programs, according to Orbex’s citation of a recent assessment by Xiaoyu Yan from

November 02, 2021 Read Full Article

Yosemite Clean Energy Has Secured Their First Plant Site Commercial Scale Carbon-Negative Biofuels from Waste Wood, Stewarding California Forests and Farmland

(Yosemite Clean Energy/PR Newswire)  Yosemite Clean Energy (Yosemite), announced today (October 28, 2021) they have secured the site for developing their first carbon-negative green hydrogen and renewable natural gas (RNG) production plant in Oroville, California, with groundbreaking scheduled for Q2 of

November 01, 2021 Read Full Article

Orbex Set to Launch World’s Most Environmentally Friendly Space Rocket

(Orbex/SpaceRef) The carbon footprint of launching the new Orbex Prime space rocket will be up to 96 per cent lower than comparable space launch programmes, a new scientific study has revealed. Prime is poised to become one of the most environmentally friendly

October 22, 2021 Read Full Article

RFA Founder Calls for Correction of EPA Transportation Office’s “Shocking Miscarriage of Environmental Justice”

(Dakota Ag Energy)  Speaking to the 14th Annual Bioenergy Conference hosted by Brazilian government and industry stakeholders, the founder of the U.S. Renewable Fuels Association (RFA) charged U.S. EPA Office of Transportation and Air Quality (OTAQ) bureaucrats with a “shocking

August 10, 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

CFDC Calls Nebraska E30 Demonstration One More Step Towards Higher Blends

(Clean Fuels Development Coalition) The Clean Fuels Development Coalition (CFDC) today applauded the work of the State of Nebraska following the release of a report that found higher ethanol blends are safe, efficient, and cost effective when used in conventional vehicles. The

March 08, 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

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

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

Australian Tyre Recycler Signs Deal for First US Plant

(Green Distillation Technologies) Australian tyre recycler Green Distillation Technologies, which has developed world-first technology that recycles end-of-life tyres into oil, carbon and steel, has signed a deal to build their first plant in the United States, The agreement provides funding of up

January 08, 2020 Read Full Article

Govs. Walz and Noem for Support of E30

(Grand Rapids Herald Review) Recently, Minnesota Gov. Tim Walz, the chair of the Governors’ Biofuels Coalition, along with South Dakota Gov. and coalition vice chair Kristi Noem, sent a letter to President Trump urging the administration to consider 30 percent ethanol

December 13, 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

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

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

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

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

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

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

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

Ship Voyages on 100 Percent Renewable Biofuel for 1 Year

by Brittany Hook (University of California San Diego) Harnessing the University of California’s leadership in sustainability and pledge to become carbon neutral by 2025, Scripps Institution of Oceanography Associate Director Bruce Appelgate had a bright idea: What if Scripps Oceanography at UC

June 14, 2016 Read Full Article

UIA Calls on CARB to Recognize Role of Ethanol in Reducing Carbon

(Urban Air Initiative/Ethanol Producer Magazine)  In comments recently filed with the California Air Resources Board, the Urban Air Initiative made a compelling case for higher octane, lower carbon fuels like midlevel ethanol blends to help the state meet its carbon

June 01, 2016 Read Full Article

Commercial Aircraft Propulsion and Energy Systems Research: Reducing Global Carbon Emissions (2016)

by Committee on Propulsion and Energy Systems to Reduce Commercial Aviation Carbon Emissions; Aeronautics and Space Engineering Board; Division on Engineering and Physical Sciences; National Academies of Sciences, Engineering, and Medicine (National Academies Press) The primary human activities that release carbon

June 01, 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

Accounting for Bioenergy Emissions, Benefits Must be Done Right

(25 x '25)  With the White House shining a very bright spotlight on its plans for addressing climate change – in particular, the long-awaited proposal to regulate carbon emissions from existing power plants under Clean Air Act ‑ it is important that

June 13, 2014 Read Full Article

Ultrafine Particles from Vehicles: A Missing Piece in Emissions Regulations

(Environmental and Energy Study Institute) On Monday June 2, the U.S. Environmental Protection Agency (EPA) took the single largest step to control stationary sources of carbon dioxide (CO2) and other harmful emissions in the nation’s history. It announced a proposed regulation

June 09, 2014 Read Full Article

Where is Blue Carbon Going?

by Olatomiwa Bifarin* (Advanced Biofuels USA) On Wednesday, May 21, 2014, a panel of experts discussed the importance of blue carbon and the ramifications of its release in a “Managing Our Planet” seminar series developed jointly by George Mason University,

May 23, 2014 Read Full Article

NASA Signs Agreement with German, Canadian Partners to Test Alternative Fuels

(National Aeronautics and Space Administration/PRNewsWire)   NASA has signed separate agreements with the German Aerospace Center (DLR) and the National Research Council of Canada (NRC) to conduct a series of joint flight tests to study the atmospheric effects of emissions from jet engines burning alternative

April 10, 2014 Read Full Article

Sen. Collins Introduces Clean Cookstoves Bill That Would Improve Environment, Public Health

(Senator Susan Collins)  U.S. Senator Susan Collins today introduced the "Clean Cookstoves Support Act," a bill that would reduce carbon pollution and improve public health by supporting a global market for clean and efficient cookstoves. "Replacing unsafe cookstoves with modern alternatives

March 11, 2014 Read Full Article

What Role for Short-Lived Climate Pollutants in Mitigation Policy?

by J. K. Shoemaker, D. P. Schrag, M. J. Molina, V. Ramanathan (Science Magazine)  Short-lived climate pollutants (SLCPs) include methane (CH4), black carbon (BC), tropospheric ozone, and hydrofluorocarbons (HFCs). They are important contributors to anthropogenic climate change, responsible for as much

December 13, 2013 Read Full Article

Sugarcane Diesel Tests Yield Positive Results in Brazil

(Biofuels International)  It has been reported auto manufacturer MAN Latin America has completed tests on diesel made from sugarcane. The company is believed to have performed over 500 hours of testing on Euro 5 engines within four Volkswagen Constellation trucks and

November 07, 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

EPA Proposed Rule “National Ambient Air Quality Standards for Particulate Matter”: Urban Air Initiative Comments

(Urban Air Initiative) From a letter to the Administrator of the Environmental Protection Agency, August 30, 2012:  Urban Air Initiative (UAI) appreciates this opportunity to comment on the Agency’s proposal to address one of our most dangerous and costly health threats,

August 30, 2012 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

Black Carbon Belchers?

by Naomi Lubick (Chemical & Engineering News)  Pollution Monitoring: Cars may produce more climate-warming particles than previously thought. Tiny particles known as black carbon can pack a heavy punch when it comes to climate change, by trapping heat in the atmosphere

March 05, 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

United States Joins Alliance to Promote Clean Cooking in Developing Countries

By Arpita Bhattacharyya, Andrew Light (Center for American Progress)  Secretary of State Hillary Clinton announced Tuesday an impressive collaboration at the Clinton Global Initiative that brings together U.S. agencies and the United Nations Foundation to form the Global Alliance for

September 27, 2010 Read Full Article

Soot Seen as Significant in Global Warming

(UPI)  Soot from burning fossil fuels and solid biofuels has a greater impact on global warming than previously believed, a U.S. researcher says.   But unlike carbon dioxide, Stanford University scientist Mark Z. Jacobson says, soot stays in the atmosphere for only a

August 02, 2010 Read Full Article
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(CO2) carbon efficiency carbon emissions carbon fiber carbon insets Carbon Intensity (CI)/Carbon Footprint carbon life cycle carbon markets Carbon Monoxide (CO) carbon negative carbon neutrality carbon offsets carbon pipeline carbon price carbon recycling carbon removal carbon sink carbon standard carbon tax Carbon tax border adjustments carbon tax-and-dividend carbon terminal carbon user fee Carbon Utilization and Biogas Education Program carbon-14 testing carbon-efficient fuels carbon/CO2 sequestration carcinogens cardoon Caribbean carinata carinata/brassica carinata carob CAS Registry cashew cashew apple Cashew Nut Shell Liquid (CNSL) CASI Cassava cassava price cassava pulp cassava stalk castor bean castor stalk catalysis catalysts catalytic decarboxylation catalytic hydrothermal conversion catalytic hydrothermal conversion-to-jet (CHCJ) catalytic hydrothermal gasification catalytic hydrothermolysis jet CHJ pathway cattails cattle cavitation CBD (cannabidiol) CBG (compressed biogas) cell culturing cellulase enzymes cellulose cellulosic biofuel Cellulosic biomass cellulosic diesel Cellulosic ethanol cellulosic ethanol price cellulosic feedstock cellulosic production tax credit cellulosic sugars Cellulosic Tax Credit cellulosic waiver credit cement Central African Republic Central America Certificate Program Certificates of Origin (COs) certification certification fuels cesium cetane Chad change in soil condition charging stations CHCJ-5 chemical-looping hydrogen method Chesapeake Bay chicken feathers chickens Chile Chili China chitin chp chromium chufa/cyperus esculents/nutsedge CIA circular economy citrus citrus greening disease Citrus Peel clean air Clean Air Act (CAA) clean diesel Clean Fuel Standard/Policy (CFS) Clean Heat Standards Clean Power Plan (CPP) Clean Trucks Plan Clean Water Act climate change Climate Change Adaptation climate change effects climate change mitigation climate legislation climate smart/modern/conservation agriculture closed-loop system Clostridium thermocellum cloud point clover cmelina CNG Conversion kit co co-generation co-location Co-op Extension co-operative co-processing co-products CO2 Electrolysis CO2 neutral fuels CO2Removal Certificates (CORCs) coal Coal and Biomass to Liquid (CBTL) Coast Guard coastal habitat conservation coastal hay cobalt cock's foot coco coco methyl ester (CME) cocoa Coconut coffee coffee cherries coffee grounds coffee pulp cold flow cold-tolerance college/university Colombia Colorado combined heat and power (CHP) Comment Request commercial flights commercialization commissioning commo Commodity Credit Corporation (CCC) Commodity Futures Trading Commission (CFTC) commodity trading common reed Community activity community college Community involvement/engagement community scale Community Wood Energy Program competition compliance compliance credits compost Compressed Natural Gas (CNG/R-CNG/bioCNG) compression ratios compression-ignition engine computer simulation concrete condensate Congo Congressional Budget Office (CBO) Congressional Review Act Connecticut Conservation Reserve Program (CRP) Conservation Stewardship Program (CSP) construction and demolition waste/debris consumer education contamination contest contrails conversion technology Cook Islands cook stoves cooking fuel cooperatives COP21 COP22 COP23 COP24 COP25 COP26 COP27 COP28 COP29 COP30 copper coppice cordgrass corn bran Corn cobs corn ethanol corn fiber corn growers corn harvest corn kernel corn meal corn oil corn oil/distillers corn oil (DCO) corn prices corn stalks corn stover corn supply corn surplus corn syrup corn-based products corn/maize Corporate Average Fuel Economy (CAFE) standards corporate social responsibility corrosion corruption CORSIA (Carbon Offsetting and Reduction Scheme for International Aviation) cosmetics Costa Rica cotton cotton seed hulls cotton seed oil cotton stalk cottonwood Council on Environmental Quality county cover crops cow rumen cracking Crambe crassulacean acid metabolism plants (CAM) crimes criteria pollutants Croatia crop crop insurance cropland croton crowdfunding crude oil Cruise Ships Cuba cup plant cuphea currency/foreign exchange policy curriculum cusi Customs and Border Protection cutworm caterpillars cyanobacteria (blue-green algae) cylindro Cyprus Czech Republic d D-3 (cellulosic) RINs D-4 (bio-based diesel) RINs d-5 D-5 (advanced biofuel) RINs D-6 (renewable fuel) RINs D-7 RINs (Cellulosic Diesel) D-8 (proposed) RINs D20 (20%DME) D5 (5%DME) dairy waste dandelion DARPA date kernel oil date palm date palm pits date palm waste Dates DDGS (distiller’s dried grains with solubles) dead zone decanol decision-support tool deep water drilling Defense Logistics Agency (DLA) Defense Production Act deficit definitions deforestation defossilization Dehydration Delaware DeltaWing demonstration demonstration scale/unit Denmark densify density Department of Agriculture (USDA) Department of Commerce Department of Defense (DOD) Department of 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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 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(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 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(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 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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 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