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Back to the ethanol argument

The Wall Street Journal's Numbers Guy takes a look at the arguments about ethanol's viability as an alternate fuel and notes that the studies most critical of ethanol aren't comparing apples to apples. Also, none of the studies take into account recent innovations in ethanol production, including low-heat methods, cogeneration techniques using biofuels, and a shift away from expensive natural gas to cheaper fuels like coal. RTWT. Via Instapundit.