autogas

noun2

1. •
   (US, Canada) Automotive gasoline suitable for use in piston-engined gasoline-powered 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. — 1988
2. •
   (UK, Australia) Synonym of liquefied petroleum gas (LPG).

   • Petrol ... 20.3% more than autogas ... The results conclusively demonstrate the carbon benefits of autogas vehicles — 2005