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[RC] Biodiesel - Spottedraceractually, Soybean oil can also be used.... And legumes convert more atmospheric Nitrogen to soil Nitrogen per acre than most fertilizers.. Also, switchgrass is the best source for ethanol production.. So if you rotate Soybeans-to-corn-to-switchgrass-back -to-soybeans.. you can grow alot of fuel without N-fertilizer (which is made from petro)- LP
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