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Why can't the heat generated by a combustion engine can be used as a source of energy instead of cooling engine and wasting it?
Wiki User
∙ 11y ago
What you are after is perpetual motion, which isn't going to work. Any type of energy can be converted to heat, but heat can only partially be converted to energy. Most of the problems stem from trying to remove heat, rather than allowing it to accumulate. Heat is the graveyard of energy.
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Some heat from engines can be recovered and used for space heating. The heaters in automobiles do just that. However, more often than not the build up of heat from an engine is more than is desired for auxiliary uses, and it must be discarded to keep from overheating the equipment. Some building emergency generators can use some of that heat in a heat exchanger for heating non-domestic water supplies, but the potential for leaks precludes it from use for domestic water heating.
Wiki User
∙ 11y ago
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