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another energy piece

alternative energy articles keep making mainstream news outlets.

i just came across this suprisingly lengthy piece on cnn money about the prospects of ethanol as a gasoline substitute. there’s a lot of cheerleading in the article, and unfortunately, not much serious discussion about real hurdles to overcome, such as overall efficiency (i.e. do you spend more energy watering/fertilizing/harvesting/refining ethanol sources than you get out of burning the ethanol itself?) nevertheless, a nice read.

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