society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > petrol
petrol engine1902
gas motor1909
gas engine1910
1902 Mansfield (Ohio) News 26 Apr. 6/1 The mechanism consists of a petrol engine, whose flywheel on the crank shaft is replaced by a dynamo.
1990 W. A. LiveseyGCSE Motor Vehicle Stud. iii. 29/1 The two-stroke petrol engine is used mainly in small motor cycles, although some cars have used it.