Attendees look at three different Sanyo solar panels at the Solar Power International 10 exhibition in Los Angeles

 
Attendees look at three different Sanyo solar panels at the Solar Power International 10 exhibition in Los Angeles
Attendees look at three different Sanyo solar panels at the Solar Power International 10 exhibition in Los Angeles October 12, 2010. REUTERS/Fred Prouser (UNITED STATES - Tags: SCI TECH ENERGY)