Alternative Fuels

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Avgas replacement: It’s not just about octane

Article | Jul 31, 2014

After testing more than 3,000 formulas over a 10-year period, Shell Aviation submitted its candidate fuel to the FAA for consideration as a fleet-wide, unleaded avgas replacement in July.

FAA TO BEGIN EVALUATION OF UNLEADED FUEL CANDIDATES

News release | Jul 10, 2014

The search for viable replacements to leaded avgas is moving to the next stage as the FAA prepares to begin evaluating fuels submitted for testing through the Piston Aviation Fuels Initiative (PAFI). July 1 marked the deadline for candidate fuels to be submitted into this program.

Nine fuels vie to replace leaded avgas

Advocacy | Jul 10, 2014

The FAA has accepted nine fuels to be evaluated as potential replacements to avgas, marking a milestone in the search for an unleaded GA fuel.

Emissions tested in flight

Article | May 14, 2014

It is a mission not every pilot would relish: Deliberately fly into the wake turbulence of a DC-8.

Lindbergh backs innovation

Article | Mar 26, 2014

The grandson of Charles and Anne Morrow Lindbergh plans to re-create their 1931 seaplane journey to China, demonstrating green technology along the way.

Waypoints: Toward an unleaded fuel

Pilot Magazine | Jan 17, 2014

Shell Aviation’s December announcement that it is entering an unleaded avgas for FAA testing was perhaps the biggest general aviation news of 2013.

GA leaders seek funding for avgas replacement certification

Article | Dec 24, 2013

GA leaders ask House and Senate appropriations subcommittee leaders to fund programs that will keep efforts to find alternatives to leaded avgas moving forward.

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.