Sustainability and Environment
FAA Moves To Next Phase of Unleaded Avgas Testing
The agency narrowed field of potential avgas replacements to two fuels out of the four originally selected for testing.

The FAA has taken the next step toward its goal of transitioning to unleaded aviation gasoline (avgas) by the end of 2018, narrowing the field of potential replacement fuels to two for further testing. The agency selected unleaded fuel possibilities from Shell and Swift Fuel for Phase 2 of its Piston Aviation Fuels Initiative (PAFI). These fuels were chosen from the four that the agency initially selected for testing in 2014, which themselves were selected from 17 possibilities offered for the PAFI program.


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