Washington, UNITED STATES
A wind turbine by Nikko company of Japan is displayed at the 2010 Renewable Energy Technology Conference...
A wind turbine by the Nikko company of Japan is displayed at the 2010 Renewable Energy Technology Conference and Exhibition (RETECH 2010) in Washington, February 4, 2010. REUTERS/Hyungwon Kang (UNITED STATES - Tags: ENERGY ANNIVERSARY BUSINESS SCI TECH)