http://www.kickstarter.com/projects/sunseeker/sunseeker-duo?ref=category

If you can get above the cloud base, it seems that the range could be unlimited. The plane doubles as a glider too... This is a super sweet project. This represents the best in human kind. We just keep pushing the technological envelope of whats possible... And NO fuel cost... http://inhabitat.com/worlds-first-two-person-solar-powered-plane-by-solar-flight-inc-nears-completion/