"Billionaire Elon Musk thinks he can pave the way to a better energy future by turning the mattress-shaped batteries in Tesla’s electric car into upright pillars so they can be used to power homes, businesses and even utilities."

"The West Coast could see power brownouts in coming months as hydro power stations struggle with the four-year drought, and in the longer term climate change could cause additional problems for power plants, the U.S. energy secretary said on Monday."

"Proposed 200-mile pipeline would ship North Dakota crude across U.S.-Canadian border".

"A federal appeals court ruled Friday that a group of California companies cannot sue to stop the Environmental Protection Agency’s (EPA) efficiency and greenhouse gas rules for heavy trucks."

"HOUSTON -- As Gina McCarthy spoke for a second straight year at one of the world's top energy gatherings, the U.S. EPA administrator defended a plan to cut carbon dioxide emissions and told the power industry to focus on its ability to innovate."

An electric utility industry group this week released a report warning that EPA's "Clean Power Plan" to address climate change could hurt grid reliability. The report offers ammunition for the plan's opponents -- especially Republicans from coal-mining and coal-burning states. But a number of critics say the report's analysis is flawed.

"Scientists, planes and instruments descend on San Juan Basin to find roots of the massive greenhouse gas hotspot."

"For the better part of the last century, crude oil prices have swung like a pendulum, pushing and pulling the fortunes of nations. More often than not, global supplies of the volatile commodity were controlled by the rulers of desert domains who would otherwise have been powerless had it not been for the oil that bubbled beneath their thrones." Not any more.

"The United States Geological Survey on Thursday released its first comprehensive assessment of the link between thousands of earthquakes and oil and gas operations, identifying and mapping 17 regions where quakes have occurred."

"Congress on Tuesday passed a bill focused on improving energy efficiency in buildings and water heaters, a move celebrated by both parties for breaking longstanding partisan gridlock."