"The U.S. National Transportation Safety Board said on Friday it had opened an investigation into the Colonial Pipeline Co accident in Helena, Alabama, which killed one worker and seriously injured four others."

"An earthquake with a preliminary magnitude of 5.0 struck near Cushing, Oklahoma, on Sunday damaging several buildings and prompting evacuations, but there were no reports of injuries, authorities said."

"A group of House Democrats on Wednesday urged federal officials to investigate the company that owns an Alabama pipeline that exploded this week."

"There’s a war brewing over the future of rooftop solar, and Arizona is at ground zero."

"The White House said on Thursday it will establish 48 national electric-vehicle (EV) charging networks on nearly 25,000 miles of highways in 35 U.S. states."

"Cars hit a new fuel economy record in 2015 while outperforming mandated greenhouse gas emissions limits, the Environmental Protection Agency (EPA) said."

"Top oil companies including Saudi Aramco and Shell are joining forces to create an investment fund to develop technologies to promote renewable energy, as they seek an active role in the fight against global warming, sources said."

"BELLINGHAM, Wash. — The American coal industry, with its billions of dollars and army of lobbyists, has a storied history of muscle and might. But in this northwest corner of Washington, people like Christopher Grannis, a 69-year-old building contractor and stalwart in local civic causes, are standing up to coal. And coal is losing."

"Several damaging Los Angeles-area earthquakes of the 1920s and 1930s, including the deadliest ever in Southern California, may have been induced by oil production during the region's drilling boom of that era, U.S. government scientists reported on Tuesday."

"President Obama said Tuesday that his administration was considering ways to 'reroute' the Dakota Access oil pipeline after a week of violent clashes between authorities and activists protesting the controversial project."