"As the climate gets warmer, so do the rivers and lakes that power plants draw their cooling water from. And that is going to make it harder to generate electricity in decades to come, researchers report."

"In an article in the journal Nature Climate Change, scientists measured temperatures now and projected what they would be at midcentury. The temperatures vary according to the time of year, and, even if the extremes remain similar, they will be more frequent -- meaning that the water will be too warm to allow full power production, they predict.

"U.S. crude oil futures fell on Friday for the fourth day in a row, hitting their lowest levels in nearly eight months and extending losses to a fifth week, as weak U.S. jobs data, soft Chinese manufacturing and the deepening euro zone crisis sparked a broad market selloff. "

"Energy companies are nervously following the investigation of Wal-Mart Stores Inc.'s alleged corruption in Mexico. While the link between the energy industry and the retail behemoth isn't obvious, attorneys who advise oil and gas companies say the U.S. government will focus more on petroleum companies as a result of the Wal-Mart investigation."

"Spain's Repsol oil company announced Tuesday it was 'almost certain' to withdraw from exploration in Cuba, after spending an estimated $150 million on a dry well and seeing far more profitable prospects in other countries such as Brazil and Angola."

"TEHRAN, Iran - Computer technicians battling to contain a complex virus last month resorted to the ultimate firewall measures - cutting off Internet links to Iran's Oil Ministry, rigs, and the hub for nearly all the country's crude exports."

"SEATTLE -- The Seattle City Council unanimously passed a resolution Tuesday opposing the development of coal-export terminals in Washington state after raising concerns about increased train traffic and potential harm to health and the environment.

The vote came as the federal government is reviewing the first of at least six port facilities proposed in Washington and Oregon to ship coal from the Powder River basin of Montana and Wyoming to hungry markets in Asia.