WITH AN ANNUAL ENERGY bill that tops $19.4 billion, the Defense Department is the largest oil and electricity consumer in the United States.Delivering fuel to the battlefield puts lives at risk. And most Americans don't much like the idea of pumping U.S. dollars into the treasuries of oil-producing nations whose leaders don't share our interests. So the military is waging a multi-front campaign to increase energy efficiency, replace petroleum with alternative fuels (to the extent possible), and develop wind, solar, and other renewable power sources.
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