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Is there any difference between ethanol from sugarcane, ethanol from corn, ethanol from switchgrass, or WindFuels ethanol from waste CO2 and water?

April 26, 2017CO2 Corn difference ethanol sugarcane switchgrass waste water windfuels

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Is there any difference between ethanol from sugarcane, ethanol from corn, ethanol from switchgrass, or WindFuels ethanol from waste CO2 and water?

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Chemically, no. C2H5OH is C2H5OH. But there is a minute nuclear difference. Fossil carbon contains no 14C – it gets made at infinitesimal rates by cosmic rays in the atmosphere and decays over millennia. So the carbon from the coal plants, and thus the ethanol from WindFuels, contains no 14C.