Thursday, April 11, 2013

Energy Returns

As noted in The Tyee article on the brief history of mechanical energy produced from ethanol, bio-energy is extremely inefficient. Apart from the fact biofuels offer little or no benefit in reducing greenhouse gases, the soil erosion, nitrate run-off and high food prices resulting from biofuel production make it questionable as a replacement for fossil fuels. While ethanol got the lead out of gasoline, the energy returns for biofuels are dismal.

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