Two FAA-approved unleaded avgas options exist for most piston aircraft, but pump availability remains uneven as the industry works toward a 2030 transition deadline.
TowerThe certified replacement for 100LL avgas exists - GAMI's G100UL STC was approved in 2022 - but distribution and adoption lag behind the regulatory and supply pressures closing in.
TowerSwift Fuels' 100R unleaded avgas now covers 1,200 engine types and 1,600 airframes, marking a significant milestone in general aviation's transition away from leaded fuel.
TowerThe leaded avgas era is ending by 2030 under the EAGLE plan - here's what the unleaded transition means for your airplane and fuel supply.
Tower100LL leaded avgas is being phased out - here's what GAMI's G100UL, EAGLE, and local bans mean for your piston aircraft right now.
TowerLeaded avgas is being phased out by end of 2030. Here's what the switch to unleaded fuel means for piston pilots.
TowerRadio Hangar explores The FAA Updates Its Unleaded Avgas Transition Plan and What It Means for Your Airplane's Next Fill-Up.
TowerLeaded avgas is being phased out by 2030 under the FAA's EAGLE program - here's what pilots need to know about G100UL and unleaded fuel.
TowerTecnam teased its new 'Rivale' personal aircraft at Oshkosh 2025 with a 3,000-pound sculpture - here's what pilots actually know so far.
TowerAt AirVenture, the FAA and industry signaled the switch from 100LL to unleaded avgas may miss its 2030 target - here's what it means for pilots.
TowerThe FAA is updating its unleaded avgas roadmap but holding the 2030 deadline to retire 100LL, even as officials call the timeline 'aggressive.'
TowerHow G100UL, Swift Fuels, and the EAGLE initiative are ending leaded avgas by 2030 - and why the fight is now logistics, not chemistry.
VectorG100UL and rival unleaded fuels are racing to replace leaded 100LL avgas by 2030, and the fight is on display at Oshkosh.
VectorHow G100UL, Swift's UL94, and the EAGLE initiative are ending leaded avgas - and what the transition means for piston pilots.
VectorThe FAA's EAGLE initiative targets a complete unleaded avgas transition by 2030, with two approved fuels available but airport distribution still lagging.
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