U.S. Energy Shakeup Continues as Solar Capacity Triples

Solar power capacity in the U.S. will have nearly tripled in size in less than three years by 2017 amid an energy shakeup that has seen natural gas solidify its position as the country’s chief source of electricity and coal power continue to fade, according to monthly data published by …

Efficiency, Clean Energy Put Dent in CO2 Emissions

Americans are using less electricity as buildings become more energy-efficient and industrial power demand weakens, and a new report says that is leading to three trends: Declining carbon dioxide emissions, low electric power prices and the decline of coal, which has until recently been the primary fuel used to produce …