Fuel News

Universal Hydrogen Folds

Universal Hydrogen, which was trying to develop workable systems to power aircraft with hydrogen, has folded after burning through about $100 million in investor capital. The Seattle Times is reporting the company sent a memo to shareholders on Thursday saying there was no way forward for the startup. “We were unable to secure sufficient equity […]

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FAA Says Warranties Up To Manufacturers

The FAA is staying out of the controversy over warranty issues concerning the use of GAMI’s G100UL. Cirrus Aircraft and Lycoming have both said they don’t consider G100UL an approved fuel and confirmed its use could affect warranty claims. Continental Aerospace has not yet commented to AVweb on the issue. The warranty debate arose from […]

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LyondellBasell Clarifies ASTM Status

LyondellBasell has confirmed that it is still actively pursuing approval through the Piston Aviation Fuel Initiative for an unleaded aviation gasoline it is developing with VP Racing. As we reported on Thursday, LyondellBasell (we incorrectly called it Lyondell) did receive critiques in its first submission of a test specification to ASTM International for UL100E. LyondellBasell […]

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Lyondell Temporarily Withdraws Unleaded Fuel ASTM Test Specification

Lyondell, one of the partners in development of a potential unleaded avgas replacement, has temporarily suspended its application for a test fuel specification from ASTM International. Lyondell, which is working with Basell and VP Racing to approve the fuel through the Piston Engine Fuels Initiative (PAFI), submitted a test fuel specification to the consensus standards […]

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Lycoming Clarifies G100UL Warranty Impact

The world’s largest piston aircraft engine manufacturer has confirmed it may not honor warranty claims on engines that have been run on GAMI G100UL unleaded fuel. In a statement to AVweb, Lycoming said that G100UL is not on its list of approved fuels and while warranty claims are assessed individually, the warranty “does not cover […]

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Lawyer Pilot Says G100UL Does Not Void Engine Warranties

A reader who is a lawyer for a large eastern firm has offered a legal opinion on the warranty implications of the use of GAMI G100UL unleaded fuel in Lycoming and Continental engines. Last week Cirrus issued a service advisory that said it did not approve the use of G100UL in its SR series aircraft […]

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GAMI Responds To Cirrus G100UL Service Advisory

General Aviation Modifications Inc. says it will issue a detailed response to Cirrus Aircraft’s recent service advisory discouraging the use of GAMI’s G100UL unleaded fuel in its SR series aircraft. In a statement to AVweb, GAMI said the service advisory appears to be linked to a single incident in which the sealant used in the […]

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Cirrus Service Advisory Cites GAMI G100UL As ‘Unapproved’ For SR Series

In a blow to the General Aviation Modifications Inc.’s (GAMI’s) G100UL unleaded aviation fuel program, Cirrus Aircraft posted Service Advisory SA24-14 Tuesday (June 18). The advisory informs operators of Cirrus SR-series aircraft (SR20, SR22 and SR22T) that the manufacturer “does not approve the use of GAMI G100LL fuel in Cirrus SR Series airplanes. Additionally, Cirrus […]

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Unleaded Fuel Debate Reaches Alaska

An effort to speed up the transition to unleaded avgas has emerged in a state where elected officials are on record as trying to delay it. In an op-ed published in the Anchorage Daily News, the Alaska Community Action on Toxics says a drop-in replacement for 100LL is available now (G100UL) and two others are […]

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