[ http://www.ethanolproducer.com/articles/8018/joule-awarded-patents-for-liquid-fuel-from-the-sun ]
You are right about corn ethanol. But there are many other ways to produce ethanol. The advances in technology are incredible and diverse.
[ http://www.ethanolproducer.com/articles/8448/doe-researchers-say-genetic-breakthrough-to-benefit-biofuels ]
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