petrol engine

noun

an internal-combustion engine that uses petrol as fuel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for petrol engine

  • The petrol-engine, as now used, emits the products of combustion at a high pressure.

    How it Works|Archibald Williams
  • Bickerton found many odd jobs to occupy his time in connexion with the petrol-engine and the wireless installations.