Solar plane cruises to historic flight – Yahoo! News

Posted by Trish Riley, July 7, 2010

The overnight flight by the prototype is the first major hurdle for the project since it was set up seven years ago, with the aim of flying around the world by 2013 or 2014.

Solar Impulse relies on the sun to power the engines and charge the batteries, in theory storing enough energy to last through some seven to eight hours of darkness.

via Solar plane cruises to historic flight – Yahoo! News.