"A few years ago, Sean and Stormy Fravel were riding the oil and gas boom like so many others in West Texas. But when their jobs disappeared along with $100-a-barrel oil prices, they turned to a new type of energy occupation: solar power."

"Energy will play a major role in at least five races that could determine control of the Senate next year."

"Saudi Arabia has traditionally depended on the oil sector for 90% of its budget, but that won’t last forever."

"Experimental solar-powered plane Solar Impulse 2 has landed in Mountain View, Calif., after a three-day flight across the Pacific."

"SunEdison, which started out making chemicals and components for solar modules but grew into a giant of renewable energy, has filed for bankruptcy protection, the company said on Thursday."

"The World Bank and International Monetary Fund are pressing governments to impose a price tag on planet-warming carbon dioxide emissions, using economic leverage and technical assistance that institutions like the United Nations cannot muster."

"The energy giant Kinder Morgan Inc. has pulled the plug on its controversial natural gas pipeline proposed through parts of Massachusetts and Southern New Hampshire, after failing to sign up enough utility customers and facing stiff consumer and political opposition."

"Renewable energy firm SunEdison filed for Chapter 11 bankruptcy reorganization Thursday in New York, punctuating a tumultuous period in which the company failed to deliver on energy projects it had promised and came under scrutiny for its financial reporting."

"The experimental plane called Solar Impulse 2 has taken off in Hawaii after a nine-month delay for repairs."

"San Francisco today became the first major city in the country to approve legislation requiring solar panels on new buildings."