"Free for dinner in Washington? Nineteen groups of architecture students will be serving meals next week at houses they have built in West Potomac Park, adjacent to the National Mall, as part of the Department of Energy’s biennial Solar Decathlon, a kind of “America’s Got Talent” for green architecture."
" The ambience at their dinner parties is one of 10 areas the students will be rated on. Others include market appeal, design, adequacy of hot water and affordability (a category added after a $2 million house from Germany won the 2009 competition). "
Solar Decathlon Website (DOE)