As the FAA’s complex Piston Aviation Fuels Initiative moves to the second phase of its testing, General Aviation Modifications Inc. is closing in on final testing for STCs on its G100 unleaded fuel. GAMI started work on its fuel in 2010 and has been pursuing fuel approvals via STC, despite fierce resistance from the FAA. But the viability of G100 or the other two fuels that made it through the PAFI process depends on the EPA acting on lead restrictions.
Source: avwebGAMI: EPA Will Break Lose Unleaded Fuel Demand