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Oman’s Student Team Converts Coffee into Clean Biofuel

(The Arabian Stories) The student company ‘Java Fuel’ at the University of Technology and Applied Sciences in Sohar, North Al Batinah Governorate, has successfully developed an innovative project in sustainable energy -- The student company has formulated a method to convert coffee

July 02, 2025 Read Full Article

Domestic Next-Gen Feedstocks: Revolutionizing the Bioeconomy (Parts 1 and 2)

by Jennifer Kaplan (LEC Partners/Biofuels Digest) Imagine a bioeconomy where sustainability is a fundamental prerequisite. While we have made much progress on bioeconomy technology, the challenges of developing verifiably “sustainable” feedstock remains a challenge. The fact remains that to achieve the promise

December 13, 2024 Read Full Article

Vanguard Renewables 10 Years On

by Jim Lane and John Hanselman (Biofuels Digest) “In this period of a very, very short timeframe over several months, back in 2012. for a series of completely disassociated reasons. I had a whole bunch of kind of folks coming to

March 12, 2024 Read Full Article

Feeding the Petroleum Industry with Plant-Based Fuel Additives: U of S Research

by Brooke Kleiboer (Saskatoon Star Phoenix) Young Innovators: Biofuel acts the same way as fossil fuel but is instead solely made of plant-based materials, which are more easily generated in nature.  --  While people around the world slowly increase their

February 14, 2023 Read Full Article

The Digest’s 2022 Multi-Slide ABLC Guide to Clariant Cellulosic Ethanol Technology

by Jim Lane (Biofuels Digest) Chemicals, catalysis, additives.Clariant shared how they are working on advancing biofuels globally and here offers extensive detail on their sunliquid technology to decarbonize transportation, now operating at commercial scale in Romania. A fully integrated and

December 02, 2022 Read Full Article

Aston University Researchers ‘Feed’ Leftover Coffee Grounds to Microalgae to Produce Low Emission bBiodiesel

(Aston University) High quality biodiesel produced from microalgae ‘fed’ on leftover coffee grounds; Breakthrough in the microalgal cultivation system; Could decrease reliance on palm oil to produce biofuel.  Two Aston University researchers have produced high-quality biodiesel after  ‘feeding’ and growing microalgae

November 02, 2022 Read Full Article

PRIO’s Advanced Biofuels Route – Supporting the Energy Transition and Shipping Decarbonisation

by Filipa Oliveira and Telmo Ferreira (PRIO/EurActiv) Maritime transport emits around 940 million tons of CO2 annually and is responsible for about 2.5% of global greenhouse gas emissions. More than 80% of all goods are transported via international shipping lanes, and the

September 21, 2022 Read Full Article

Producing Biofuels from Waste Coffee and Alcohol Products

by Reginald Davey (AZO Materials) Research into utilizing waste products has benefited several industries in recent years, improving their sustainability. Writing in the journal Energies, a team of scientists from Armenia and Poland has investigated the use of waste coffee and

August 22, 2022 Read Full Article

The Energy to Sustain the Future

(EXAME) ... Anabela Antunes, Director of Operations at PRIO, believes that the energy transition in Portugal could accelerate if the country increases the contribution of biofuels to mobility. “But the development of the energy mix will depend a lot on market

March 03, 2022 Read Full Article

The Environmental and Economic Benefits of Coffee Waste

(Biomarket Insights)  An interview with George May, Managing Director of bio-bean, where we discuss the role of coffee waste in the circular economy, how spent coffee grounds are being turned into innovative bio-based materials and ingredients and are an alternative

November 10, 2021 Read Full Article

Jose Cuervo, Dole, Crocs Bump up Biobased Products and More: The Digest’s Top 8 Innovations for the Week of July 29th

by Helena Tavares Kennedy (Biofuels Digest) It’s summertime for some around the globe right now, and what better way to relax on National Tequila Day than with agave straws from tequila giant Jose Cuervo. And enjoy some pineapple knowing the leaf

July 29, 2021 Read Full Article

3D Printed Biobased Flood Barriers, Big Dairy Helps Cultured Milk Startups, gelatin clothing, castor oil tights, and more: The Digest’s Top 8 Innovations for the week of May 27th

by Helena Tavares Kennedy (Biofuels Digest) Gelatin isn’t usually thought of as something you’d wear, unless you are a toddler playing with your wiggly treat, but now a designer in Iceland turned a gelatin-based material into seamless clothing articles using molds.

May 28, 2021 Read Full Article

Q&A on Cellulosic Ethanol with Clariant

by Jim Lane (Biofuels Digest) DigestConnect hosted a wildly popular webinar in late April with Clariant’s Head of Business Line, Biofuels & Derivatives at Clariant but there were so many fantastic audience questions we didn’t to, that we decided to follow

May 28, 2020 Read Full Article

Bill Gates-Led Fund Invests in Synthetic Palm Oil Startup

by Akshat Rathi (Bloomberg Green)  C16 Biosciences uses yeast to convert food waste and industrial byproducts into a sustainable alternative. Breakthrough Energy Ventures, helmed by Bill Gates, is leading an investment round of $20 million for C16 Biosciences, a New York-based startup, which

April 01, 2020 Read Full Article

Beans Means Fuel at Stansted Airport

by David Vincent (East Anglican Daily Times) Passengers at Stansted Airport drink millions of cups of coffee every year. Now, in a new green scheme, coffee grounds will be turned into fuel. ... Stansted is becoming the first airport in the world to

October 18, 2019 Read Full Article

In the Quest for Cleaner Fuels, a Scientist Turns to Tim Hortons Coffee Grounds

by Richard Cuthbertson (CBC News)  Dalhousie University chemical engineer Sophia He is converting coffee grounds into fuel that could power cars  --  When chemical engineer Sophia He was recruited to Dalhousie University's agriculture school five years ago, she began to brainstorm with local

November 05, 2018 Read Full Article

Fat Profits: Asian Traders Cash in as Europe Thirsts for Waste Oils

(The Star)  Once surreptitiously dumped down drains in the dead of night, Asia’s used cooking oil is fast becoming one of the most sought-after commodities in Europe - as a feedstock for biodiesel. Aggressive green energy targets in the European Union that

October 11, 2018 Read Full Article

Dunkin’s Coffee-Waste Powered House, Infections Nixed by Bioactive Surfaces, Novomont’s Microbeads, Plant/Nanocellulose Hybrid, Hi-Rez Field Imagery, Rescued Food: The Digest’s Top 10 Innovations for the week of October 10th

by Jim Lane (Biofuels Digest)  The pace of bioeconomy invention and change continues at a frenetic pace. Here are the top innovations for the week of October 10th. READ MORE

October 11, 2018 Read Full Article

Dunkin’ Donuts® Coffee at Home and Actress, Activist, and Filmmaker Olivia Wilde, Partner to Introduce the Home That Runs on Dunkin’

(Dunkin' Donuts)  Actress and Coffee Enthusiast, Olivia Wilde, Incorporates Her Personal Style into the Home That Runs on Dunkin’  --  For years America has run on Dunkin’, and today Dunkin’ Donuts® Coffee at Home is bringing that slogan to life in New York City with

October 05, 2018 Read Full Article

Coffee Waste Biofuel Plant in South Africa Expects 2019 Construction

(Biofuels International)  South African recycling company Verda Waste is to build a plant that will process coffee waste into biofuel. The plant will be located in Johannesburg and is expected to be built in 2019. The company intends to lead the industrialising

September 21, 2018 Read Full Article

Accelerating Ag Innovation: The Digest’s 2018 Multi-Slide Guide to the USDA Agricultural Research Service

by Jim Lane (Biofuels Digest)  The Agricultural Research Service (ARS) is the U.S. Department of Agriculture’s chief scientific in-house research agency. ARS conducts research to develop and transfer solutions to agricultural problems of high national priority and provide information access and dissemination to:

May 08, 2018 Read Full Article

Advanced Bioeconomy Leadership Conference—Thoughts and Tidbits from Day 1

by Joanne Ivancic* (Advanced Biofuels USA)  The ABLC 2018 conference began at the US Department of Agriculture headquarters with a focus on feedstock.  Jordan Solomon, Managing Director & CEO Ecostrat Inc.. kicked off the event with news of new US

March 01, 2018 Read Full Article

New Feedstocks, New Targets, New Processes: The Digest’s 2017 Multi-Slide Guide to the National Renewable Energy Laboratory

by Jim Lane (Biofuels Digest) The DOE’s National Renewable Energy Laboratory is the only federal laboratory dedicated to the research, development, commercialization, and deployment of renewable energy and energy efficiency technologies. NREL — home to the National Bioenergy Center — advances

December 20, 2017 Read Full Article

Shell, bio-bean and Coffee-Drinkers Collaborate to Help Power London’s Buses

(Business Wire/Shell)  Shell and bio-bean announce that together they are helping to power some of London’s buses using a biofuel made partly from waste coffee grounds. The B20 biofuel contains a 20% bio-component which contains part coffee oil. The biofuel is being

November 20, 2017 Read Full Article

Costa Rican Researchers Use Coffee Waste to Brew Biofuel

(Xinhua)  Costa Rican researchers have found a way to turn coffee waste into electric energy, the University of Costa Rica (UCR) announced on Wednesday (June 28, 2017). The process also prevents ozone-depleting greenhouse gases, such as methane, from entering the atmosphere

August 14, 2017 Read Full Article

New Breakthrough Makes It Easier to Turn Old Coffee Waste into Cleaner Biofuels

(Phys.Org/Lancaster University)  ... However, spent coffee grounds, which have a high calorific value, offer a good low-cost alternative feedstock. However, most used coffee grounds are currently just dumped. In 2014 more than nine million tonnes of spent coffee grounds were

May 10, 2017 Read Full Article

Costa and UCL Start-Up Transform Coffee Waste into Renewable Fuel

(University College London)  UCL start-up bio-bean is turning more than 3,000 tonnes of waste coffee grounds into low-carbon fuel in a new partnership with coffee giant Costa. Waste grounds from more than 850 Costa stores are being transformed into biomass pellets

December 22, 2016 Read Full Article

The Summer of Innovation: How to Get Bacon out of Spent Coffee Grounds, and Other Topics

by Jim Lane (Biofuels Digest)  ... If you’ve wondered ever how to take some of the most unloved forms of food waste — old coffee grounds, spent grape pomace (the stems, skin, pulp, seeds. leftover after juice pressing) and turn them

August 09, 2016 Read Full Article

Bio-Bean Makes Eco-Friendly Pellet Fuel From Coffee Grounds

by Steve Hanley (Gas2.org)  ... Arthur Kay is an architect by training. While designing a new coffee shop one day, he learned that England creates more than half a million tons of coffee grounds every year. Surely they were good for

May 17, 2016 Read Full Article

US Looks to Go Gig on Biofuels as It Diversifies Away from Foreign Oil

by Anmar Frangoul (CNBC.com)  ...   The DOE added that the U.S. is currently spending around $1 billion every three days on "imported oil."  ...  The importance of biofuels is only set to increase. A 2011 report from the IEA projects

May 12, 2016 Read Full Article

Why Airplanes Could Soon Be Flying on Seeds

by Anmar Frangoul (CNBC.com)  In 2012 – almost 100 years since the Wright brothers made history – another historic flight took place when the National Research Council of Canada (NRC) flew what it described as, "The first civil jet powered by

September 24, 2015 Read Full Article

Network Rail and Bio-Bean to Produce Green Energy from Station Coffee Waste

(Power-Technology)  Bio-bean and Network Rail have extended their partnership to start a new recycling project that will turn coffee waste into fuel and will be used to cut down the costs for railway in the UK. The firms had conducted successful

July 15, 2015 Read Full Article

RIT Prof's Reputation in Waste Reaches Trump Organization

by James Goodman (Democrat & Chronicle)  Jeffrey Lodge is finding a niche at Rochester Institute of Technology as a go-to guy for finding new uses for waste. An associate professor of biological sciences, Lodge knows what it takes to break down

February 27, 2015 Read Full Article

Five Environmentally Sustainable Startups Compete for $680,000 Prize

(Postcode Lottery Green Challenge/WNEM.com)  Five eco-friendly startups from the Netherlands, the United Kingdom,France and Vietnam will compete in the finale of the Postcode Lottery Green Challenge, an annual worldwide competition for startups with environmentally sustainable business plans. One of these entrepreneurs will win €500,000 ($680,000

August 13, 2014 Read Full Article

Coffee Biodiesel Properties Differ Little Despite Varieties Used

by Ron Kotrba (Biodiesel Magazine)  Researchers from the University of Bath’s Centre for Sustainable Chemical Technologies conducted a study recently looking at fuel properties of biodiesel produced from different types of waste coffee grounds. Twenty different geographically sourced coffees, including regular and

June 18, 2014 Read Full Article

Researchers Create Biofuel out of Used Coffee Grounds

By James A. Foley (Nature World News)  An estimated 1 million tons of coffee grounds are generated by java-loving Americans each year, and researchers at the University of Cincinnati have found a way to take what is usually thrown in

September 12, 2013 Read Full Article

University of Cincinnati Student Presents Pioneering Fuel Technology

by Arthur Davies (University of Cincinnati)  Current and future researchers alike are teaming up to focus on one common goal: to lead America’s energy efforts. The next generation of scientists have put biodiesel, U.S.’s only commercially available advanced biofuel (a

March 30, 2013 Read Full Article

New Biorefinery Finds Treasure in Starbucks' Spent Coffee Grounds and Stale Bakery Goods

(EurekAlert!/American Chemical Society) With 1.3 billion tons of food trashed, dumped in landfills and otherwise wasted around the world every year, scientists today described development and successful laboratory testing of a new "biorefinery" intended to change food waste into a

August 21, 2012 Read Full Article

Coffee-Based Fuel Set to Burgeon in Ontario

by Joan Delaney (The Epoch Times)  Biodiesel made from waste coffee grounds and flax oil solves the ‘food for fuel’ dilemma, says manufacturer. Spotting a thin layer of oil around the edges of a cold cup of coffee was what led Mano

December 21, 2010 Read Full Article

Spain: Citrotecno to Produce First Litre of Ethanol from Citrus Waste

(FreshPlaza.com)  Two years ago Citrotecno took its first steps with the help of a group of businessmen linked to the agriculture and livestock sector in Valencia (Spain). The main objective of the company was to use citrus waste to produce

December 14, 2010 Read Full Article
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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 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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 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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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