• The military consumes about 1.2 million barrels of fuel each month in Iraq at $127.68 a barrel, a price that reflects crude oil refined into usable fuel.
• The United States consumes about 21 million of the 86 million barrels of oil per day used worldwide. While the Defense Department is the nation's largest user, its 1.6 million gallons a day in Iraq is small relative to the total market.
• While the majority of the military's fuel is for planes and helicopters, vehicles, too, are major consumers. The Abrams tank -- the largest and heaviest of the military's vehicles -- consumes 2 gallons per mile, while the Bradley fighting vehicle gets about 1 mile per gallon.
• The new Mine-Resistant Armored Protective vehicles get fewer than 6 miles per gallon.
• Heavily armored Humvees get about 4 mpg. Estimates can vary substantially depending on how the vehicle is used.
• In World War II, the average fuel consumption per service member was about 1.67 gallons a day. In Iraq, it's 27.3 gallons.
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