In a worst-case scenario, the June 21 Philadelphia refinery explosion could have released a cloud of deadly hydrogen fluoride gas that could travel for seven miles and threaten more than a million people.

"The U.S. solar industry on Wednesday kicked off a lobbying push aimed at convincing Congress to extend a generous tax credit for solar energy systems that is set to begin phasing out next year."

"A new report by staff members of the Nuclear Regulatory Commission, which oversees the safety of the nation’s 59 aging nuclear power plants, recommends that the commissioners significantly weaken or reduce safety inspections of the plants."

"Donald Trump’s leases of public lands and waters for oil and gas drilling could lead to the production of more climate-warming pollution than the entire European Union contributes in a year, according to a new report."

"A provision in bipartisan legislation to bolster the commercialization of advanced nuclear technologies is causing fears that it may provide a backdoor financial lifeline for existing coal and nuclear plants through 40-year federal power purchase agreements."

"Blackhawk Mining, which operates 10 mining complexes across West Virginia and Kentucky with about 2,800 employees, has reached an agreement with most of its lenders. The company said in a news release that it is filing bankruptcy and all of its subsidiaries must be reorganized under its Chapter 11 filing."

"Thomas Brings wasn't surprised to learn that Sand Creek, a 156-well oil and gas project, had been approved in Wyoming without tribal consultation."

"The Trump administration appears to have abandoned its initial strategy for defending the rollback of Obama-era clean car rules from court challenges, according to three people with knowledge of the situation."

"For the past five years, wind developers in Ohio have faced what they describe as among the most restrictive turbine-siting rules anywhere in the United States."

"The Trump administration said late on Friday it was issuing final rules to suspend a 2016 Obama administration regulation that more than doubled penalties for automakers failing to meet fuel efficiency requirements."