Ignition

Ignition is how fuel burns on the combustion stroke of a diesel engine. This differs greatly in the four strokes of gasoline engines and diesel engines. In the case of a gasoline engine, a drawn-in and compressed air-fuel mixture is ignited and combusted by a spark plug, while, in a diesel engine, air is drawn into the cylinder and compressed, and fuel is either injected for self-ignition or combustion (expansion).

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