: an engine that derives its motive force from the energy of combustion
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Then came the internal-combustion engine.—Allen Best, Denver Post, 24 Apr. 2026 The First Gilded Age, roughly from 1870 to 1914, was also a period of technological and economic progress, during which many major inventions were made, including electricity, the combustion engine, and the telephone.—Mordecai Kurz, Time, 20 Apr. 2026 As lithium-ion battery prices plunge, e-trucks are becoming more economically viable, while China’s low electricity prices mean their day-to-day use is significantly cheaper than internal-combustion engine counterparts.—Xiaoying You, semafor.com, 31 Mar. 2026 Combining a traditional combustion engine with a hybrid front-wheel electric drive all but eliminates EV range anxiety.—New Atlas, 4 Mar. 2026 See All Example Sentences for combustion engine