CHEYENNE, Wyo. — The U.S. Environmental Protection Agency can’t force several Wyoming power plants to install new pollution-control equipment while the state’s legal challenge to federal regulations plays out in court, an appeals court panel ruled Tuesday.
^pDES MOINES, Iowa — The world’s largest refinery that turns corn plant waste into ethanol began production recently in Iowa, and many national and international dignitaries have touted the technology as a major step in the shift from the fossil fuel age to a biofuels revolution.
Coal companies announced an agreement Thursday to consolidate ownership of a Montana mine in a deal aimed at boosting exports of the fuel to Asia through ports on the U.S. West Coast.
CASPER, Wyo. — The location of a proposed facility to test new technologies for capturing carbon dioxide from a working power plant could be selected by state officials within the next few months, a utility official said.
BISMARCK, N.D. — North Dakota Gov. Jack Dalrymple intends to ask top U.S. energy and transportation officials about conflicting reports over the volatility of crude coming from the state's oil patch, he said Wednesday.
BISMARCK, N.D. — A Fargo man has turned to an online petition in hopes of getting state officials to stop what he calls "Bakken bomb trains" by forcing oil companies to strip volatile natural gas liquids from oil before shipping.
NEW YORK — Exxon Mobil’s net income rose 28 percent in the second quarter on a sale of Asian assets and higher oil prices, but oil and gas production slipped a disappointing 6 percent.
NEW YORK — Chevron Corp. earnings rose 5.6 percent in the second quarter on asset sales and higher global oil prices, though oil and gas production slipped slightly.
GILLETTE, Wyo. — Cloud Peak Energy, which operates only in the Powder River Basin, has posted a $2.1 million loss in the second quarter of 2014, compared to a $4.1 million gain for the same period last year.
GREAT FALLS — A refining company will be able to continue operating three pipelines that transport crude oil from Canada after a judge granted access to the final land parcel whose easement had expired.
CHEYENNE, Wyo. — The owner of a pipeline that sprung a leak and spilled 25,000 gallons of crude oil that flowed more than two miles down a gulley in the Powder River Basin said Friday that internal corrosion was to blame.
MANDAREE, N.D. — The snaking, nearly 2-mile trail of saltwater that an underground pipeline spewed in the rugged hills of western North Dakota's badlands left a 200-yard-long stretch of dead vegetation, a company official said, though she added there is no evidence yet that the spill has con…
GILLETTE, Wyo. — One of the largest coal mines in the U.S. is about to ship its billionth ton of coal.
NEW CASTLE, Colo. — Four in 10 new oil and gas wells near national forests and fragile watersheds or otherwise identified as higher pollution risks escape federal inspection, unchecked by an agency struggling to keep pace with America’s drilling boom, according to an Associated Press review …
VANCOUVER, Wash. — Residents along the scenic Columbia River are hoping to persuade regulators to reject plans for what would be the Pacific Northwest’s largest crude oil train terminal — the proposed destination for at least four trains a day, each more than a mile long.
MISSOULA — With scrutiny growing about the safety of moving crude oil by rail, western Montana residents wonder how increased shipments will be kept safe along sensitive places like the border of Glacier National Park.
MANDAN, N.D. — North Dakota canola could become a fuel source for military and commercial jets.
WASHINGTON — The continuing Ukrainian crisis has cast a specter over Europe: a natural gas cutoff. Russia supplies 30 percent of Europe’s natural gas. In any tit-for-tat exchange of sanctions, this seems the ultimate weapon, dwarfing almost anything Europe and the United States could deploy.…
BISMARCK, N.D. — The proposed but controversial multibillion-dollar pipelines that would bring a flood of Canadian tar sands oil to the U.S. likely won’t hinder North Dakota’s soaring crude production, state and industry officials say.
CASPER, Wyo. — Alex Bowler trains hunting dogs and fires rifles on his 35 acres of property east of Cheyenne.