California Legislature Votes To Ban 100LL by 2031

The bill’s passage ratchets up the rhetoric surrounding leaded aviation gasoline.

Gemini Sparkle

Key Takeaways:

  • California's legislature has approved a bill (S.B. 1193) to ban leaded aviation gasoline statewide by the end of 2030, with the governor expected to sign it into law.
  • This state-level action builds on a recently enacted federal FAA reauthorization that generally prohibits U.S. airports from restricting 100LL until January 1, 2031, while specifically carving out an exception for Santa Clara County, California.
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In late August, the California State Assembly and State senate both approved a measure that would ban leaded aviation gasoline throughout the state at the end of 2030. The bill, S.B. 1193, is now on Governor Gavin Newsom’s desk for signature. At this writing, he is expected to sign the bill into state law.

The bill’s passage ratchets up the rhetoric surrounding leaded aviation gasoline but really only recognizes language in the recently enacted five-year FAA reauthorization measure, which was signed into law by President Biden in May 2024. That measure includes a provision requiring U.S. airport operators to not restrict or prohibit 100LL until at least January 1, 2031 (except in Santa Clara County, Califor­nia) if 100LL was available on the airport at any time in 2022.

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