Making green with ethanol

Last year saw a strong US corn crop: the harvest totalled a near record of 11.11 billion bushels (bbu). 50% of the annual crop is used as livestock feed. But currently, the next largest use of corn is its distillation into ethyl alcohol (ethanol) for use as a fuel additive. With support from US state and federal governments, corn has successfully crossed over into the transportation sector and taken 14% of the crop. Corn is also pervasive in the food chain, and another 19% of the crop is exporte

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