unleaded fuel - search results

Most respondents are either already using unleaded fuel or are anxious to start.

The End Aviation Gasoline Lead Emissions (EAGLE) group expects the lone survivor of the congressionally mandated Piston Aviation Fuel Initiative (PAFI) to be approved...

The FAA says engine cell testing of one of three contenders actively being considered as a replacement for 100LL avgas will begin later this...

The FAA has approved an additional 611 certified piston aircraft engines to run on GAMI’s G100UL high octane unleaded avgas in an FAA-approved model...

Teledyne Continental said on Wednesday that it has just completed a round of flight and test-cell trials that suggest that 94UL may be an adequate replacement for 100LL, whose existence is threatened by continued availability of tetraethyl lead. TCM says it will push for approval of 94UL as the leading replacement for 100LL. 94UL is essentially 100LL without the TEL additive. It meets vapor pressure and other avgas specs, but without the lead, it doesn't match 100LL's octane, which is typically about 103 straight from the refinery.

An effort to speed up the transition to unleaded avgas has emerged in a state where elected officials are on record as trying to...

On the Senate floor, Alaska Senator Dan Sullivan angrily addressed the FAA Reauthorization bill, which includes provisions for transitioning to unleaded aviation gasoline by...

Although there's one approved unleaded 100-octane fuel, the GA industry continues to drag its feet on supporting a transition from 100LL. This week's poll asks what you think of that.

The FAA's 2023 Reauthorization Bill hit a snag when language in the bill appeared to require airports to continue selling 100LL gasoline. California Rep....