Motorists navigate the morning rush hour in Chicago. Ford and other major automakers hope to install technology in cars that enables vehicles to communicate with one another to avoid crashes. Scott Olson/Getty Images hide caption

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The open pit mine at Molycorp Minerals' rare earths mining and processing facility in Mountain Pass, Calif. The mine is expected to produce 40,000 tons of rare earth minerals each year after a $500 million expansion project. Courtesy of Molycorp Minerals hide caption

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In this screen capture, President Obama is seen live on the White House YouTube channel answering video and text questions on Feb. 1, 2010, after last year's State of the Union. AP hide caption

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Chicago Bears quarterback Jay Cutler stands on the sideline in the third quarter after leaving the game with an injury against the Green Bay Packers on Sunday. His decision to sit out of the remainder of the game, which Chicago lost, made Cutler the target of critical Tweets from his peers in the National Football League. Jonathan Daniel/Getty Images hide caption

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