When the U.S. Energy Independence and Security Act was passed in 2007, ethanol was viewed as a way to cut gasoline consumption and reduce dependence on foreign oil. Seven years later, times have changed.
The Keystone XL pipeline suffered a legal setback Wednesday when a state court voided the Nebraska governor's approval of the project. After more than five years of review, the fate of the Keystone XL pipeline still hangs in the balance.
Which new vehicle sold today has the lowest overall carbon footprint over its lifetime? It's the battery-electric Nissan Leaf, according to a study set to be released this spring.
A Duke Energy coal-ash facility accidentally poured 100,000 cubic feet of muck this week into the Dan River on the North Carolina-Virginia border, turning it gray. The EPA is likely to tighten disposal rules on coal ash, but it won't designate it 'hazardous.'