DENVER
03/18/2010 05:12 am ET Updated May 25, 2011

Energy lab plans model 'smart' building in Colorado

Energy lab plans model 'smart' building in Colorado
JUDITH KOHLER Associated Press Writer
GOLDEN, Colorado - Homes and office buildings consume three-quarters of U.S. electricity, and the National Renewable Energy Laboratory wants to lower that figure by erecting what it believes will be the largest "net-zero" energy

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