The story

For two weeks the National Mall in Washington D.C. has been transformed into a boulevard of homes of the future.

The solar-powered houses are the work of university teams from across the U.S., Puerto Rico, Germany and Spain, all taking part in the Solar Decathlon. The aim: to design, build and operate the best energy-efficient solar houses. Most teams have spent at least two years working on their projects.

Preet Anand, a senior at Santa Clara University and member of Team California, told CNN about the build-up to the event: Read full article »

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