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Swift Fuels’ 100R Unleaded Avgas Gets ASTM Nod

(General Aviation News)  Swift Fuels has received approval of an ASTM International production specification for its 100R unleaded avgas. -- The final voting results from ASTM were published Sept. 4, 2025, after several years of “dedicated research by the team from Swift

September 08, 2025 Read Full Article

“Stop the Sequel” to the Leaded Gasoline Health Nightmare: Virtual Symposium --- May 20, 2025 --- ONLINE

(Clean Fuels Development Coalition)  A diverse group of academics, authors, and public policy veterans who have spent decades studying and writing about the health disaster that resulted from the approval of lead in gasoline, observed the 100-year “anniversary” of that

May 19, 2025 Read Full Article

FAA Asks for User Input on High-Octane Unleaded Fuel DEADLINE May 9, 2025

by Mark Phelps (AvWeb) Special Airworthiness Information Bulletin seeks information on pros and cons of new fuel. -- In conjunction with the Eliminate Aviation Gasoline Lead Emissions (EAGLE) initiative, the FAA announced today it is calling on pilots, aircraft owners, mechanics and

April 16, 2025 Read Full Article

Military Contributions to Aviation Fuel Development, Including Sustainable Aviation Fuels (SAF) --- March 27, 2025 --- ONLINE

The military has been an early contributor to aviation fuel development, as well as the initial adopter.  For both high octane aviation gasoline and kerosene jet fuels, use in commercial aviation soon far exceeded military use once adopted.  This presentation

March 03, 2025 Read Full Article

Aviation Fuels: Specifications and Test Methods --- various dates and locations: Brussels, Belgium 04/09/2025 - 04/11/2025; Toronto, ON 05/06/2025 - 05/08/2025; Kansas City, MO 06/16/2025 - 06/18/2025; Raleigh, NC 09/16/2025 - 09/18/2025; Miami, FL 11/12/2025 - 11/14/2025

This extensive 3-day class provides broad coverage of aviation fuel specifications and test methods. The course focuses on how specifications are used to control the quality of aviation fuels and why they affect product performance and availability. Emphasizing practical applications,

January 09, 2025 Read Full Article

Slovenia’s Gogetair Chooses Turboprop Power: 2+2 Composite Speedster Offers a Turboprop Option.

by Mark Phelps (AvWeb) Slovenian aircraft manufacturer Gogetair has taken a different approach to the issue of avgas availability worldwide. While there are a number of piston engines capable of operating on more readily available jet fuel, late last year, Gogetair

January 02, 2025 Read Full Article

Guidance -- The SAF Mandate: An Essential Guide

(U.K. Department for Transport) What is sustainable aviation fuel?  Sustainable aviation fuels (SAF) are fuels that reduce greenhouse gas (GHG) emissions from aviation over their lifecycle when compared to standard jet fuel. SAF can be made from a variety of feedstocks and can be

December 19, 2024 Read Full Article

Darling Ingredients Inc. Announces Avfuel Corporation Takes First Delivery of Sustainable Aviation Fuel Produced by Diamond Green Diesel

(Darling Ingredients/PR Newswire)  Darling Ingredients Inc. (NYSE: DAR), the world's leading company turning food waste into sustainable products and producer of renewable energy, today announced that Avfuel Corporation, the leading independent supplier of aviation fuel and services, took the first delivery of sustainable

December 11, 2024 Read Full Article

AOPA Warns Pilots to Be Aware of Varying Fuel Types

by Mark Phelps (AvWeb) With new unleaded fuels coming to market, pilots are cautioned to avoid misfueling. -- The Aircraft Owners and Pilots Association (AOPA), in association with the Eliminate Aviation Gasoline Lead Emissions (EAGLE) initiative, posted a warning today (posted below

November 27, 2024 Read Full Article

Embraer Makes First Sale of Ethanol-Powered Agricultural Aircraft Through BNDES Climate Fund Program

(Aeroflap)  In July, Embraer's agricultural aviation division made the first sale of the ethanol-powered Ipanema 203 through the Climate Fund program, in the “Automatic Climate Fund” modality, which provides support for the acquisition of machinery and equipment related to the reduction

August 09, 2024 Read Full Article

NBAA, Others at Washington Forum Highlight Ways Bizav is ‘Climbing Fast

(Climbing.Fast) The start of the 2024 International Aircraft Owners and Pilots Association’s 30th World Assembly was marked by an upbeat assessment from a gathering of general aviation leaders about the current state of the industry, and the potential for a coming era of

May 09, 2024 Read Full Article

US Says Lead Emissions from Small Piston-Engine Aircraft Pose Public Health Danger

by David Shepardson (Reuters)  The U.S Environmental Protection Agency on Wednesday issued a final determination declaring that emissions from aircraft that use leaded fuel pose a danger to public health, following years of study. Commercial aircraft use jet fuel, which does not contain

October 18, 2023 Read Full Article

Rocky Mountain Metropolitan Airport to Switch to Unleaded Aviation Fuel 3 Years ahead of Deadline

(CBS Colorado)  Rocky Mountain Metropolitan Airport says it is on track to make the switch to unleaded aviation fuel three years ahead of the FAA deadline. RMMA is the fastest-growing airport in Colorado with three flight schools and 50 businesses.  ... RMMA director

October 06, 2023 Read Full Article

Diamond DA42-VI Flying with Sustainable Aviation Fuel for the First Time

(Diamond Aircraft) A Diamond DA42-VI training aircraft, powered by the Austro Engine AE300, from European Flight Academy carries out circuit of the aerodrome at Bremen airport. --  Last Monday (September 25, 2023), following extensive tests and preparations, training aircraft from the European

October 03, 2023 Read Full Article

VoltAero Hybrid-Electric Aircraft Makes Landmark Flight Fueled by Wine Waste

by Jack Daleo (Flying Magazine)  The company flew its proprietary hybrid-electric powertrain on a demonstrator powered by biofuel produced from vineyard waste. -- ... Royan, France-based VoltAero isn’t most aviation companies. The firm on Thursday announced it completed what it claims is an industry

September 25, 2023 Read Full Article

New FAA Reauthorization Bill Would Prohibit Removing 100LL From Airports (Corrected)

by Paul Bertorelli (AvWeb) The just-passed House FAA Reauthorization Bill would prevent airports from removing 100LL or offering unleaded fuels in lieu of leaded avgas under penalty of losing airport improvement grants. If the language remains in the Senate version of

July 24, 2023 Read Full Article

Update Triggers Questions on Unleaded Avgas Progress GAMA Hosted the EAGLE Roundtable, Bringing Together Stakeholders Looking for More Transparency and Urgency.

by Julie Boatman (Flying Magazine) GAMA hosted the EAGLE roundtable, bringing together stakeholders looking for more transparency and urgency.  -- The clock ticks louder each week, it seems, as pressure grows to move forward with a viable replacement for the primary unleaded

June 07, 2023 Read Full Article

Unleaded Avgas on Track to Be at California Airports by Summer 2023

by Tom Snow (General Aviation News)  Unleaded 100-octane aviation fuel should be available at three California airports as early as this summer, according to officials with General Aviation Modifications Inc. (GAMI). In an hour-long, standing-room-only forum at the 2023 SUN ‘n FUN Aerospace Expo presented

April 20, 2023 Read Full Article

Diamond Aircraft Is Working on the Use of Sustainable Aviation Fuels

(Diamond Aircraft) Eco-consciousness and responsible use of resources has always been at the core of Diamond Aircraft. The history started with efficient and lead-free jet-fuel engines and is going forward with electrification as well as alternative fuels and propulsion systems.

April 20, 2023 Read Full Article

Aviation Stakeholder Groups Submit Comments to EPA’s Proposed Endangerment Finding

(National Business Aviation Association)  A coalition of seven aviation stakeholder organizations has formally submitted comments to the U.S. Environmental Protection Agency’s (EPA) proposed endangerment finding of lead in aviation gasoline (avgas). The coalition reaffirmed its support for removing lead from avgas

January 23, 2023 Read Full Article

$10 Million Approved For Unleaded Avgas Evaluation

by Russ Niles (AvWeb) Congress has approved $10 million for testing and evaluation of unleaded high octane aviation fuels and all sectors currently involved in the effort can qualify for funding. According to AOPA, President Joe Biden signed the bill that

January 05, 2023 Read Full Article

EPA Proposes Endangerment Finding for Lead Emissions from Aircraft Engines that Operate on Leaded Fuel

(Environmental Protection Agency) Proposed Endangerment Finding, if finalized, is an important step forward to address the largest remaining source of lead pollution to air --  Today, the U.S. Environmental Protection Agency (EPA) announced a proposed determination that emissions of lead from

October 07, 2022 Read Full Article

SAF Heads into the Big East: India and Turkey to Scale up Domestic SAF Production Amid Proliferating Deployment of Bio-Based Fuels Worldwide

by Vinayak Shinde (Global Market Insights/Biofuels Digest) ... According to a study by Transport and Environment, a European network of NGOs, about 193 out of 230 of some largest global businesses failed to act on corporate travel emission reduction with

October 05, 2022 Read Full Article

Zenith Energy Will Replace 100% of Its Crude Oil Storage with Renewable Fuels in Five Years

(Biofuels Central) Zenith Energy, a leading global operator of independent liquid storage terminals, announced it has agreed to immediately transition its Portland facility out of crude oil storage to renewable fuels in just five years. Renewable fuels can reduce carbon emissions

September 26, 2022 Read Full Article

Will GA Have a Fuel Problem?

by Julie Boatman (Flying Magazine) With avgas a boutique product and jet-A supplies in mitigation, experts see price volatility rather than more shortages ahead, for general aviation. ... What About SAF? Sustainable aviation fuel (SAF) has entered the picture in a significant way—if

May 10, 2022 Read Full Article

Bizav Leaders Describe SAF Benefits, Costs

by Bill Carey (Aviation Week) Even as biofuel suppliers and fixed-base operators (FBOs) ramp up the availability of sustainable aviation fuel (SAF), aircraft operators remain uncertain about the composition of SAF and the complexity of using it to claim emissions reductions,

April 07, 2022 Read Full Article

EAGLE Stakeholders Convene First Meeting, Seek Solution to Leaded Fuel

by Walker Jaroch (Aviation Pros)  The Eliminate Aviation Gasoline Lead Emissions (EAGLE) initiative held its first meeting this week, discussing the challenges around and needs of removing lead from general aviation fuel over a two day event. ... The two-day event was

March 18, 2022 Read Full Article

Sweetwater Receives Final Acceptance of Commercial Sunburst Unit at Sweetwoods Project in Estonia

by Helena Tavares Kennedy (Biofuels Digest) ... Estonia – a NATO country that borders Russia. U.S. based Sweetwater Energy received final acceptance of its first commercial Sunburst unit at the Sweetwoods Project in Estonia, proving that Sunburst has met all criteria—including

February 28, 2022 Read Full Article

EPA Announces Leaded Fuel Endangerment Finding

by Mark Phelps (AvWeb) In a long-anticipated move, the Environmental Protection Agency (EPA) announced today (Jan. 12) that it “will take the necessary steps to regulate lead pollution from aircrafts (sic).” Those steps start with proposing an “endangerment finding” on leaded

January 13, 2022 Read Full Article

Swift Fuels Expands UL94 Distribution to Several California Airports

by Dan Pimentel (Flying Magazine)  Swift also celebrates its sixth anniversary selling UL94 nationwide. --  At EAA AirVenture Oshkosh, Swift Fuels announced the expansion of its high-performance UL94 Unleaded Avgas product into the US Pacific Coast corridor. The expansion will provide dozens of

December 14, 2021 Read Full Article

Aviation Groups Encourage Congress to Increase Funding for Alternative Fuels Program

(NBAA/Vertical Magazine)  As Congress prepares to finalize its funding allocations for fiscal year 2022, six aviation associations came together to ask the leadership of the Appropriations Committee; Transportation, Housing and Urban Development and Related Agencies (THUD) Subcommittee in the U.S.

November 30, 2021 Read Full Article

Climate Week Press Release:  Advanced Biofuels USA Encourages Participation in Community Climate Change Mitigation Efforts—One Community at a Time

For Immediate Release -- September 23, 2021—Frederick, MD -- --  Building on her recent experience volunteering on Frederick, Maryland’s City and County Climate Emergency Mobilization Work Group’s subgroup on Energy, Buildings and Transportation, Advanced Biofuels USA’s executive director, Joanne Ivancic, wants to

September 23, 2021 Read Full Article

Fact Sheet: Biden Administration Advances the Future of Sustainable Fuels in American Aviation

(White House) New Actions Aim to Produce Three Billion Gallons of Sustainable Fuel, Reduce Aviation Emissions by 20% by 2030, and Grow Good-Paying, Union Jobs  --  Today (September 9, 2021), President Biden is taking steps to coordinate leadership and innovation across

September 10, 2021 Read Full Article

Global Bioenergies and Swift Fuel Plan the First International Flight of an Aircraft Powered by Aviation Gasoline Made from over 97% Renewable Resources

(Global Bioenergies/Swift Fuel)  A one-hour flight from Saarbrücken to Reims; Aviation gasoline, a one billion-litre market in Europe and the USA;  A step towards the emergence of an aviation biofuel sector -- Global Bioenergies (Euronext Growth: ALGBE), a French company

June 14, 2021 Read Full Article
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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 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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 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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 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(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 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