Testing To Restart on Shell Unleaded Avgas Option
Swift, the second company testing a fuel option in the PAFI program, is suspending testing and independently working with the FAA on a new option.

Testing on a viable unleaded replacement for leaded aviation gasoline is set to resume this fall under the FAA/industry Piston Aviation Fuels Initiative (PAFI), but only one of the original Phase II two participants, Shell, is moving forward in that effort, according to the Aircraft Owners and Pilots Association. Swift Fuels, the second participant, late last week announced it is suspending its Phase II PAFI activities and instead focusing on a high-octane unleaded avgas replacement that is not part of the PAFI program.


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