Associations Say Development Shows FAA Is Making Progress Towards Drop-In Replacement Fuel GAMA and EAA have noted the FAA’s announcement that it has selected two unleaded aviation fuels, developed by Shell and Swift Fuels, for Phase 2 full-scale testing in engines and aircraft. The selection is based on the least impact to the existing fleet following the results of rigorous Phase 1 laboratory and rig testing of fuel properties and compatibility with aircraft materials and components, as well as an assessment of predicted costs and environmental factors.
Source: aero newsGAMA, EAA Hail Unleaded Avgas Transition Milestone