As the FAA slowly plies through the process of approving an unleaded replacement for 100LL, Swift says it believes its 100-octane unleaded fuel will have a comparable cost to current avgas. Swift was one of two fuels to emerge from the first phase of the FAA’s Piston Alternative Fuel Initiative testing late last month. A second entrant from Shell also made the first cut.
Source: avwebSwift Fuel: Similar Prices As 100LL