"Royal Dutch Shell, the biggest oil company in Europe, said on Thursday that its profit almost doubled in the second quarter on higher oil prices and as new oil and gas projects came on stream."

"CHARLESTON, W.Va. -- The Governor's Office is refusing to make public correspondence between it and the oil and gas industry regarding potential new regulations on Marcellus Shale drilling operations."

"Arkansas regulators are expected Tuesday to order the closure of some underground storage facilities that natural-gas drillers use to dispose of contaminated water because of concerns they are causing earthquakes."

"The Obama administration will require that vehicle fleets average 54.5 miles per gallon by 2025, according to people with knowledge of the talks. That would mark a sharp increase in efficiency."

"The U.S. State Department said Friday it expects to issue a final environmental assessment next month on TransCanada Corp's proposed $7 billion pipeline that would deliver crude from Canada's oil sands to refineries to Texas."

"Less than half of Pennsylvania's fossil-fueled power plants have pollution controls, a long-tolerated dirty habit that's now getting its comeuppance in tougher, new federal regulations."

"Thousands of residents living atop the gas-rich Marcellus Shale ... signed lowball leases in the years leading up to the boom in Pennsylvania. In those early days a half-decade ago, virtually no layperson had even heard of the rock formation, let alone knew that drillers had found a way to access the huge reservoir of natural gas locked inside it."

"Despite decades of efforts to restore and protect the Great Lakes, dozens of old power plants still are allowed to kill hundreds of millions of fish each year by sucking in massive amounts of water to cool their equipment."

"New York Mayor Michael Bloomberg joined with the Sierra Club on Thursday in a $50 million, four-year plan to campaign for replacing one-third of aging U.S. coal-fired power plants with clean energy."

"Federal regulators laid down principles on Thursday for planning and paying for new power lines, part of a long-term policy effort to help the nation's electricity grid grow enough to meet the demands of renewable energy and a competitive electricity market."