Has anybody been to the corn palace?
"Bravo Sierra. All the government has to do is quit paying farmers to not grow corn, and there'd be enough to eat, turn into ethanol, and build a mile-wide bowl of Corn Chex."
What he said!!
In fact, if the gov got out of business of business entirely, thermaldepolymerization, ethanol, and other biodeisel programs could be flourishing.
These are not the solutions to petroindependence, they are some solutions.
It is a bad bet to understimate Americans' capacity for innovation. It is also ill advised to underestimate government capacity to stifle innovation under the weight of beuracracy.
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The water that is used to produce the crops and the fuel and fertilizer used to plant and maintain the crops is not worth the small energy gain; we'll pay for it in the future.