1) Aircraft fuel 2) Aircraft fuel portmanteau 3) Cessna fuel 4) Fuel for planes 5) Fuel for some prop planes 6) Prop plane fuel 
Aviation Gasoline. Usually followed by the octane rating. Used by piston-engined aircraft.
Avgas (aviation gasoline), also known as aviation spirit in the UK, is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft. Avgas is distinguished from mogas (motor gasoline), which is the everyday gasoline used in motor vehicles and some light aircraft. Unlike mogas, which has been formulated since the 1970s to a...
abbreviation: aviation gasoline
High octane aviation gasoline used in piston type aircraft engines.
High-octane aviation gasoline (petrol) used in piston type aircraft engines. (Abbreviation).
A high-octane aviation fuel used for aircraft. Avgas is a portmanteau for aviation gasoline, as distinguished from MOGAS (motor gasoline), which is the everyday gasoline used in cars.
gasoline for use in piston-engined aircraft.