Yes, it's back- every two years, and 2011 has produced some very innovative and thoughtful concepts.
To check out the designs that are currently in the lead, read the complete post at Inspired Design Daily... and vote for your favorite!
'U.S. Department of Energy Solar Decathlon challenges collegiate teams to design, build, and operate solar-powered houses that are cost effective, energy-efficient, and attractive. The winner of the competition is the team that best blends affordability, consumer appeal, and design excellence with optimal energy production and maximum efficiency.' -solardecalthon.gov