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Associated Press
IMAGE DISTRIBUTED FOR SIEMENS USA - From left, Michael Cahill, president of Siemens Rail Systems division in the U.S. and Joseph Boardman, president and CEO of Amtrak unveil Siemens next-generation locomotives at the Siemens rail facility on Monday, May 13, 2013 in Sacramento, Calif. At far right is Rep. John Garamendi. (John Decker/AP Images for Siemens USA)

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