It's interesting to read how ethanol is being touted as one major avenue to energy independence. While it is but one strategy amongst many, there is a wealth of literature out there that demonstrates more energy is consumed producing a gallon of ethanol - 71% by one 1998 source - than is generated when ethanol is burned. http://hubbert.mines.edu/news/Pimentel_98-2.pdf With the rise in gasoline costs, ethanol becomes more attractive. Yet there is substantial use of oil based products in corn production and those costs are rising too. It would be interesting to see at what point the cost of a gallon of gasoline and a gallon of ethanol is the same. Perhaps we've already reaching the tipping point...? Jeff Olson Martin, SD |
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