The Federal Aviation Administration established the Fuels Program Office in 2012 to research an alternative to 100LL avgas. Unfortunately, according to Fuels Program head Peter White, "lead is like the magic elixir for detonation prevention. There's really no other chemical that precludes detonation like lead does." Environmental and public advocacy groups have been working to stop the sale of avgas, potentially grounding the country's 37,000 general aviation aircraft.
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