avgas
noun
- aviation gasoline; gasoline for use in piston-driven airplanes
Wiktionary
Pronunciation: /ˈævˌɡæs/
noun
Etymology: A blend of aviation + gasoline.
- Gasoline fuel for piston-engined aircraft.
“Cylinder cracks are nothing new, however, and there is no reason to expect autogas-burning engines to have a higher incidence of head cracking than avgas-users”
“In the area of autogas volatility, a Reid vapor pressure of 9.0 to 15 is very common, compared to the vapor pressure of avgas, which is 5.5 to 7”