A magnetic-levitation (maglev) train passes at Central Japan Railway Co.'s Yamanashi Maglev test line in Tsuru City, Yamanashi Prefecture, Japan, on Tuesday, May 11, 2010. U.S. Transportation Secretary Ray LaHood is due to ride a 500 kilometers per hour (311 miles per hour) magnetic-levitation train in Japan today, spurring optimism in the Asian nation about selling such trains in America. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images
