Answer: avgas

AnswerCrossword Clue
AVGAS

Fuel for piston-engine aircraft

AVGAS

Aircraft fuel portmanteau

AVGAS

Cessna fuel

AVGAS
Fuel for piston-engine airplanes
AVGAS
Fuel for a Piper Cub
AVGASPlane fuel
AVGASAircraft fuel
AVGASProp plane fuel