December 21, 2015, 5am PST
Just in time for winter, the U.S. Department of Energy released a standard to make heating and cooling in commercial buildings far more efficient, increasing minimum efficiency by 10 to 25 percent.
July 18, 2014, 2pm PDT
Energy is the key to the economy, so it should be used wisely. A new report shows that the United States performs very poorly in making the most of its resources.