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Thread: Ethanol

  1. #11
    just me duncan drennan's Avatar
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    Quote Originally Posted by Graeme View Post
    The other afternoon, in a fascinating programme on TV it was mentioned that the same applies to petrol - it takes more energy at the refinery to produce a litre of petrol or dieselene than the litre contains.
    Interesting. Does it take more energy to produce than it contains, or more to produce than can be extracted from it? I remember that only about 40% of the energy in the fuel is actually converted to energy in a combustion engine.
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  2. #12
    Silver Member Graeme's Avatar
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    Ethanol

    Duncan - the presenter was silent on that point - just said that it required more energy to produce it than it had in it, or something like that.

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