Fracturing secrets case back before Wyoming judge

Wyoming was the first state to require disclosure of fracturing fluid ingredients to state regulators.  More »

Oil drops to below $98 on China economy

China’s drop in exports in February fueled worries of a further slowdown in the world’s second-largest economy.  More »

Four workers hurt in Texas gas plant fire

Four contract workers have suffered burns in a flash fire at an Enterprise Products natural gas processing plant in South Texas.  More »

Using trash to make electric power in Nigeria (photos)

Lagos is engulfed in waste. But the Nigerian city is turning its problem into an advantage by starting a program to convert waste into methane gas to generate electricity.  More »

Oil drops below $99 on China slowdown jitters

The price of oil dropped below $99 a barrel Wednesday as the possibility of a deeper economic slowdown in China fed expectations of weaker demand.  More »

Officials: Cache of illegal oil field waste found

Filter socks, which can become contaminated with naturally occurring radiation, are banned for disposal in North Dakota.  More »

Keystone XL activists arrested in Philly (photos)

Dozens of environmentalists blocked entrances to a federal office building Monday in Philadelphia to protest the Keystone XL oil pipeline and police arrested at least 24 people, organizers said.  More »

Oil falls to near $101 on China data

China’s customs data showed over the weekend that exports plunged by an unexpectedly large 18 percent last month.  More »

Official: Canadian oil won’t hurt ND production

The director of the North Dakota Pipeline Authority says proposed increases of crude from Canada’s oil sands likely won’t have an impact on the state’s soaring oil production.  More »

United Rentals buying Texas pump rental company

United Rentals says it’s buying National Pump, the second-largest pump rental company in North America, for $780 million.  More »

US commerce secretary in Gulf ahead of Obama visit

Penny Pritzker’s visit comes just weeks before President Barack Obama is scheduled to fly to Saudi Arabia to meet King Abdullah in an effort to patch over strained relations due to U.S. policy on Iran and Syria. It will be Obama’s first visit to Saudi Arabia since 2009.  More »

Four nations urge US gas exports amid Ukraine crisis

Ambassadors from Hungary, Poland, Slovakia and the Czech Republic made their appeal Friday in a letter to House Speaker John Boehner.  More »