The United States is divided into five Petroleum Administration for Defense Districts (PADDs).

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As a second-generation oilman, Zhang began working in 1990 for the First Machinery Factory of Huabei Petroleum Administration Bureau, a state oil subsidiary.

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There are reports that the administration is considering releasing oil from the Strategic Petroleum Reserve.

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DeLauro also hinted that the administration might consider releasing product from the 571-million barrel Strategic Petroleum Reserve, a suggestion the White House is certain to refuse outright.

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The U.S. consumed 19.5 million barrels of petroleum a day in 2008, according to the U.S. Energy Information Administration.

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