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Originally Posted by NapaBavarian
I have heard this as well, but it's gotta be a crock, if it did in fact take as much energy as they say then you would need to pay for all of that when you buy ethanol, in other words if it took 1.5 gallons of fossil fuel to produce 1 gallon of ethanol then when you buy ethanol you would need to pay 1.5 times the cost of a gallon of fossil fuel, plus all the farmers expences, plus all manufacture expences, plus depreciation on all equipment used from seeding to pumping into your tank, it would cost 3x or more what gasoline costs.
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That makes sense. Perhaps the costs would increase significantly if output were to be ramped up to level that could sustain our economy? Sounds counterintuitive, but I don't know the processes used.