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An external combustion engine (EC engine) is a heat engine where an fuel is burned outside the engine, which heats an internal working fluid. The fluid expands and drives the engine to produce motion or usable work.

Conversely, internal combustion engines burn or explode the fuel within the engine, using the expanding exhaust gases to do work.

Examples of external combustion engines are coal and oil-fired boilers on ships and in locomotives, and the "Stanley Steamer, " an early steam-powered motorcar.

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Q: How does an external combustion engine work?
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A steam engine is an external combustion engine.


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What is external combution engine?

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What is the difference between internal combustion engine and external combustion engine?

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