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Corn Map, Corn based ethanol provides less performance than regular gasoline, Corn based ethanol not enough can be produced to make us energy independent, large amounts of chemicals which don't stay put and leads to runoff, Corn based ethanol is considered the only source of ethanol by most people, large amounts of chemicals on average 135 lbs. of N2/acre, Corn based ethanol brings about a conflict between food, energy and food, Corn based ethanol requires large amounts of chemicals, Corn based ethanol has a poor net energy rate, net energy rate yields only about 25% more energy than required to make it