Integral
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Please do not equate ethanol to biofuel. Ethanol is only ONE source of renewable fuels, and not a particularly good one. As other alternatives become available, and cheaper ethanol will go by the wayside. For the reasons you mention, and more it is simply not viable in the long term. But ethanol is not the ONLY biofuel, there are others (see some of the algae threads) which do not compete with food. To stop research in biofuels because of the problems with ethanol is simply stupid.
