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I took a class on biorenewable polymers and products. In some states, you have E-85, which is ethanol made from corn. Its a great idea, but the problem is that Mother Nature was too good, and we don't have the technology to convert bio materials (trees, grasses, plants, etc.) into the energy sources we need at a cost effective price. Basically, no one would make a profit, so no one wants to develop the technology.
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