Meaning: a compression-ignition engine that burns fuel on the inside by forcing into a small space and then injecting fuel into it. The air heats up and ignites the fuel without a spark plug. Diesel engines are used for heavy vehicles, such as trucks, trains and submarines. Diesel is also a low-grade petroleum for fuelling a diesel engine.
- Our truck runs on diesel fuel, so make sure you go to the right fuel pump.
- One problem with diesel fuel is that it pollutes the air.
Origin: Rudolf Diesel (1854-1913) was the German inventor of the diesel engine. He studied fuel efficiency and invented the diesel engine after realizing that the early gasoline-powered engines and steam-powered engines were not very efficient. Diesel engines and the fuel that they typically use today were named after him.
What reason might a person have for buying a vehicle with a diesel engine?
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Contributor: Tara Benwell