An Air Force Special Operations tanker refuels a helicopter searching for survivors of 2005's Hurricane Rita.

WASHINGTON: The Defense Department is the largest single consumer of energy in the United States. It consumes 1 percent of America’s massive demand, burning billions of gallons of fuel a year. Indeed, as Navy Secretary Ray Mabus said in a recent speech, DoD is “the largest single consumer of fossil fuels on the face of the earth.” … Keep reading →