Solar-powered, net-zero energy homes demonstrate mainstream appeal at U.S. Solar Decathlon

Led by the University of Maryland and Purdue University, the 2011 version of the U.S. Solar Decathlon demonstrated how high-tech energy and common sense are going mainstream, all while zeroing out electricity consumption from the grid. Every step of the way participating students — and perhaps elected officials — garnered valuable lessons for the U.S. [...]