"An anticipated cascade of litigation targeting the Obama administration's new drilling rule gained speed yesterday as a Wyoming lawsuit became the second legal challenge on court dockets so far."

"Sens. Rob Portman (R-Ohio) and Jeanne Shaheen (D-N.H.) squeaked in a vote early Friday morning on their energy efficiency bill after the Senate ended an hours-long marathon on the budget."

"If a new rule takes effect, about 95 percent of all pipelines would be subject to stricter safety testing because of their age, location and other factors."

"A group of Democratic senators wants to improve the safety of transporting oil by rail in the United States, following a series of high-profile derailments that led to fires and explosions."

"About once every four days, part of the nation's power grid — a system whose failure could leave millions in the dark — is struck by a cyber or physical attack, a USA TODAY analysis of federal energy records finds."

"Oil prices rose sharply on Thursday amid concerns that fighting in the Arabian Peninsula between a Saudi-led coalition and Houthi rebels in Yemen could disrupt supplies."

"As a concept, hydraulic fracturing has changed very little since the first wells were drilled in the late 1940s. In practice, however, what most people now know as fracking has undergone a transformation."

"America's oil in storage just hit another record after rising for the 11th consecutive week."

"Both chambers of the Maryland General Assembly separately passed measures Tuesday that mark the most aggressive action the legislature has taken to curb natural gas extraction in the state."

"Seven filed suit to force prestigious college to divorce its fortune and its future from fossil fuels."