"Solar Impulse" Aircraft To Fly Across US Fueled Only By Solar Power

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Solar Impulse CEO and pilot Andre Borschberg speaks as Solar Impulse... News PhotoAlternative Energy,André Borschberg,Bertrand Piccard,CEO,California,Engineering,Environmental Issues,Horizontal,Looking,Mountain View - California,Pilot,Press Conference,Science,Science and Technology,Solar Impulse,Solar-Powered Airplane,Solar-Powered Vehicle,Talking,Technology,USAPhotographer Collection: Getty Images News 2013 Getty ImagesMOUNTAIN VIEW, CA - MARCH 28: Solar Impulse CEO and pilot Andre Borschberg (R) speaks as Solar Impulse Chairman and pilot Bertrand Piccard (L) looks on during a press conference at Moffett Field on March 28, 2013 in Mountain View, California. The Solar Impulse, a solor powered plane that has already made international and intercontinental flights in Europe and Africa, will begin test flights around the San Francisco Bay Area ahead of a planned flight across the United States later this year. (Photo by Justin Sullivan/Getty Images)