Alternative Fuels

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Shell reveals unleaded avgas

Article | Dec 03, 2013

Shell announced Dec. 3 the development of an unleaded aviation fuel that will be submitted for certification as a "performance drop-in" avgas replacement.

Swift Fuels gains ASTM approval

Article | Nov 11, 2013

An Indiana company has secured ASTM approval for a high-octane and unleaded formula that could replace 100 LL.

Swift unleaded avgas passes another test

Article | Sep 26, 2013

An unleaded gasoline that has passed every test in aircraft engines to date is closing in on production.

AOPA shares GA perspective as Calif. lawmakers study 100LL

Article | Sep 26, 2013

California lawmakers investigating leaded avgas heard from AOPA about the importance of keeping the fuel available and supporting efforts to find a safe, viable alternative.

Piper flies Archer on unleaded fuel

Article | Sep 11, 2013

Piper celebrated a round trip to Oshkosh, Wis., on unleaded fuel, though the fuel remains elusive. The company arranged special deliveries along the route.

Lycoming in pursuit of unleaded options

Article | Jul 31, 2013

Lycoming CEO Michael Kraft said the long-debated transition to unleaded general aviation fuel will ultimately benefit the industry, owners, and pilots.

GA community works to replace 100LL

Article | Jun 20, 2013

AOPA and the GA community are committed to an unleaded future and have engaged in a program with the FAA to transition the industry to an unleaded avgas with the least impact on the existing fleet.

FAA solicits fuels in search of unleaded avgas

Article | Jun 10, 2013

The General Aviation Avgas Coalition praised the FAA’s announcement June 10 to formally request sample unleaded fuels for testing as possible replacements to the 100LL aviation gasoline that GA aircraft use today.

GA Avgas Coalition Praises FAA’s Announcement To Solicit Candidate Fuels In Search Of An Unleaded Avgas

News release | Jun 10, 2013

The General Aviation Avgas Coalition praised the Federal Aviation Administration’s (FAA) announcement today to formally request sample unleaded fuels for testing as possible replacements to the 100 low-lead (100LL) aviation gasoline (avgas) that general aviation aircraft use today.

Phoenix company plans to offer aviation autogas

Article | May 23, 2013

Phoenix-based Airworthy AutoGas has announced plans to produce and distribute a high-purity, low vapor pressure, ethanol-free, 93AKI, premium unleaded auto gasoline this fall.