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RE: Beef-based diesel: Amtrak goes to the cows
Is this really a savings? How much oil is needed to grow, fertilize, harvest, and transport the corn that's fed to the cows. How much energy is used to transport the cattle, slaughter, then process fat and get the processed ex-animal to the tank of the train? Certainly there's a more efficient system.
Posted by bluminghausen@...
21st Apr 2010