The main options are to feed, burn, export or store it.
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Energy security, environmental benefits and rural economic development are among the primary arguments in support of biofuels. A fourth, although not always highlighted issue, has challenged agricultural economists and policymakers for decades. It is how to best manage supplies, given the havoc that overproduction and low prices cause. One solution, driven in large part by commodity groups, has been the development of new and higher-value uses for crops.

The issue is especially important today as the U.S. moves toward an expected record corn crop. Forecast at just more than 14 billion bushels, the 2014 crop would be 30 percent larger than the drought-impacted crop in 2012 and 25 percent larger than the corn crop of 10 years ago.