A- A+ facebook twitter email print FAA rules California County's 100LL ban violates grant assurances March 27, 2025, 4:53 pm The FAA issued a long-awaited response to the AOPA's complaint over a California County's 2022 ban on 100LL fuel. Read More https://www.globalair.com/articles/faa-rules-california-countys-100ll-ban-viola…