Ford Crown Victorias sit in a parking lot outside a police station in Chicago. Sales of the Crown Victoria climbed 140 percent in August as police departments stockpiled the popular fleet vehicle before Ford ended its production this week. Scott Olson/Getty Images hide caption

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In a file photo, workers at General Motors' Lordstown Assembly plant in Lordstown, Ohio put the final touches on 2011 Chevrolet Cobalts. The weakening dollar will allow U.S. automakers to export at a financial advantage. Mark Duncan/AP hide caption

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President Obama and congressional leaders work to strike a deal to raise the debt limit at the White House, July 14. Chip Somodevilla/Getty Images hide caption

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