E85 is selling for $2.05 in south Minnesota today.

One company, is working on using the left over corn after brewing for human consumption, such as cereal use. Ethanol only takes the sugar out of the corn kernal. Much ( even most ) of the nutrition remains after the ethanol is brewed. Just ethanol distillaries are not "food grade" clean right now, because they don't need to be, but in the future, very well could be.
-John