What is the fuels ?
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material such as coal, gas, and oil and they burn to produce heat or power
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A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. ... The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
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A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. ... The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
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