General Aviation   Aviation Safety & Regulation   Policy & Regulation   Sustainability & Climate Initiatives  

FAA finalizes plan to phase out 100LL by 2030, leaving fuel, cost and retrofit questions open

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The FAA has finalized its plan to eliminate 100LL avgas by 2030, but has not resolved which replacement fuel will be selected, how costs will be distributed, what aircraft modifications may be required or when operators must transition. The decisions will shape general aviation’s fuel and fleet planning.

Discovered 2026-07-31T08:35:10.991069-07:00 | 2026-07-31T08:35:10.991069-07:00

Briefing

What Hype is tracking

  • The 2030 target establishes a firm planning horizon for general aviation operators, fuel suppliers and aircraft manufacturers, even though the replacement fuel remains undecided.
  • Unresolved fuel costs, aircraft modification requirements and transition dates create material uncertainty for fleet investment, infrastructure planning and operating economics.
  • The phaseout will require coordination across regulators and industry to preserve fuel availability while managing the safety and operational implications of changing avgas.

Reported By

AeroTime
Sources Tracked
1
First Seen
2026-07-31T08:35:10.991069-07:00
Latest Update
2026-07-31T08:35:10.991069-07:00
Coverage
Aviation

Sources

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