Nothing spilled when three tanker cars in an oil train from North Dakota derailed at a rail yard, but it alarmed environmentalists.
Last year was the third year in a row that North American refineries showed considerably higher profitability than European refineries as measured by earnings per barrel processed.
A more efficient system must be established to alert residents of danger in North Dakota's booming oil patch, an emergency manager and residents said, after authorities failed to alert the public for more than six hours when a facility storing toxic chemicals exploded.
The price of oil rose Wednesday after the government reported that U.S. oil supplies rose more than expected.
Air quality tests at the site of an industrial fire in Williston showed levels "that would not raise concern," according to North Dakota Department of Health Air Quality Division director Terry O'Clair.
Thousands of older rail tank cars that carry crude oil would be phased out within two years under regulations proposed Wednesday in response to a series of fiery train crashes over the past year, including a runaway oil train that exploded in the Quebec town of Lac-Megantic, killing 47 people.
A massive blaze that shot fireballs into the sky at an oil supply and logistics company in a western North Dakota oil patch hub has been extinguished, according to the town's fire department.
More than half a day after an industrial fire broke out in the North Dakota oil patch town of Williston, authorities still were unable to say what caused the massive blaze.
Pennsylvania's state auditor general released a performance audit report saying the Department of Environmental Protection lacks a clear policy on the timeliness and frequency of inspections of the thousands of wells and does not routinely verify information the industry provides about waste disposal.
Critics of a natural gas pipeline expansion in western Vermont want construction halted while state regulators review a recent 40 percent increase in the project's cost estimate.
With a potential lawsuit targeting a decision to ban tar sands oil in South Portland, the governor's energy chief said that he hopes the state can eventually have a conversation about managing the flow of petroleum products rather than having it decided locally.
The site where an underground pipeline leaked 1 million gallons of saltwater into the North Dakota badlands earlier this month could take years to clean up, an official of Native American tribes involved in the cleanup said Monday.
The South Portland City Council has voted to ban the transfer of crude oil onto ocean tankers, effectively ending any attempt to bring oil from western Canada through a pipeline into the city.
The Anadolu Agency said the accident early Tuesday caused a large blast and a fireball that engulfed two passenger buses and other vehicles that were also traveling on the road near the town of Lice, some 150 kilometers (90 miles) north of the city of Diyarbakir.
Natural gas fell to its lowest level in eight months Monday following forecasts that nationwide summer temperatures are expected to be milder than normal.
Three massive fires since the beginning of June have highlighted the threat lightning poses in the North Dakota oil patch, and in each case it was tanks that store the toxic saltwater associated with drilling — not the oil wells or drilling rigs — that were to blame.
The vote will take place on Monday night. The city's planning board voted 6-1 last week to recommend the council approve the proposal. Nearly 500 people attended the council's first vote on the subject.
A North Pole refinery owner has lost its latest challenge in a long-running attempt to get a petroleum company to pay for groundwater contamination that contributed to the refinery's closure.
Tests this summer on Pierre Shale that stretches across much of the Great Plains could help build the case for an underground lab and, if feasible, lead to energy production or underground storage in the rock formation.
A Canadian National Railway Co. train struck another freight train as it rolled through a small village in southeastern Wisconsin, causing cars to derail, injuring two people and spilling thousands of gallons of diesel oil that prompted the evacuation of dozens of homes.
The acquisition, which is expected to close in September, will give Diamondback an additional 13,136 net acres in the Midland Basin, bringing its total to 85,000 net acres.
The Obama administration approved using sonic air cannons to map offshore oil and gas in the Atlantic Ocean by measuring sound reverberating through waters shared by whales and other marine life. Here's a breakdown of the cost, in dollars and decibels.
Opening the Eastern Seaboard to offshore oil exploration for the first time in decades, the Obama administration approved the use of sonic cannons to discover deposits under the ocean floor by shooting sound waves 100 times louder than a jet engine through waters shared by endangered whales and turtles.
A new federal earthquake map dials up the shaking hazard just a bit for about one-third of the United States and lowers it for one-tenth.
A Pennsylvania court has further limited the reach of a major 2012 law that modernized drilling regulations, ruling that state public utility regulators cannot review how local zoning restrictions affect the natural gas industry.