Growing demand for more fuel-efficient cars and trucks, like these 2009 Dodge Journey crossover vehicles, has helped drive down gasoline consumption in the U.S. David Zalubowski/AP hide caption

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A worker hangs from an oil derrick near Williston, N.D. The state now produces 500,000 barrels of crude oil per day, and production continues to rise. Gregory Bull/AP hide caption

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A gas station in Berlin, Vt., sold gas for $3.72 on Feb. 16. On average, regular gas is going for $3.60 a gallon nationwide. Toby Talbot/AP hide caption

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If president, Newt Gingrich says he would appoint a monetary policy commission to reconsider returning to the gold standard. Michal Cizek/AFP/Getty Images hide caption

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In April, the Brooklyn Job Fair drew thousands of participants, including nearly 80 employers. That same month saw unemployment jump to 9 percent from 8.8 percent in March. Spencer Platt/Getty Images hide caption

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