G100UL unleaded avgas is the only high octane unleaded avgas approved by the FAA for use in all aircraft piston engines and all piston powered airplanes.

December 20, 2024, G100UL high octane unleaded avgas arrives in Mississippi. Tupelo Regional Airport receives the first shipment.

Contrary to the recently released Cirrus Service Advisory SA24-14 the use of G100UL Avgas is fully compatible with both PSD & PTE sealants when either of those sealants are properly applied during the production of the wings and fuel bays of Cirrus SR22 aircraft.

Saturday, November 2nd, was G100UL® Avgas STC Day at Reid-Hillview Airport

October 28th, 2024, G100UL high octane unleaded avgas makes its way to Santa Clara county. Reid-Hillview airport receives its first shipment.

July 17, 2024, a landmark for aviation history. A World War 2 Douglas A-26 with 2000 horsepower R-2800 engines takes flight while operating on an unleaded fuel - G100UL high octane unleaded avgas

The FAA and EPA have cut a deal that gives aviation until 2030 to come up with a new fuel, and it just seems like most of the players are perfectly comfortable stretching that deadline to the final minute.

The famous Howard DGA-6 Replica "Mister Mulligan" became the first airplane in history to use GAMI's G100UL high octane unleaded avgas in an airshow performance April 10, 2024 at Sun 'n Fun in Lakeland, Florida.

Paul Bertorelli's latest piece in AVweb on the roadblocks GAMI is facing in its quest to bring high octane unleaded aviation gasoline to the general aviation market.