"Internal emails between staff at North Carolina's environmental agency suggest state regulators were coordinating with Duke Energy before intervening in efforts by citizens groups trying to sue the company over groundwater pollution leeching from its coal ash dumps."

"The energy giant raised the cash it needed to survive by slashing royalties it paid property owners to drill on their land."

"CHEYENNE, Wyo. — Diminished domestic demand has produced a virtual moratorium on federal coal sales in Wyoming's Powder River Basin, home to the 10 top-producing coal mines in the country."

"CHARLOTTE, N.C. -- Duke Energy's CEO says while the company and its shareholders will pay to clean up a coal ash spill in the Dan River, its customers will shoulder the costs of closing the rest of the utility's coal ash ponds across North Carolina."

"Republicans say faster approval of LNG export terminals could help check the influence of other suppliers, like Russia, and allow Europe to take a tougher diplomatic stance on Ukraine. Energy analysts say that would take years."

"Following a wave of good news for the company, Tesla Motors yesterday released details for its plans to build a massive battery manufacturing facility in the United States.

"Exxon Mobil's CEO has joined a lawsuit to stop construction of a water tower near his home that would be used to in the fracking process to drill for oil."

"How much is an old coal power plant worth? With natural gas production booming and environmental rules looming, in Illinois the answer is clear: It can be hard to even give one away."

"CHARLESTON, W.Va. -- In the year before it filed for bankruptcy, Freedom Industries paid more than $6 million to its former owners and to companies affiliated with its current owners, court filings show."