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‘Drop-In’ Unleaded Avgas Replacement Unavailable, ARC Report Finds
A “drop-in” replacement for unleaded aviation gasoline is unavailable and alternative fuels would require a “significant” safety assessment, leaving a solution possibly years away, a committee has found.
There is no market-driven reason for a replacement fuel due to the limited demand for avgas and its special characteristics, the panel also said. Safety, liability and expense are additional factors in what would be a complex approval and deployment process.