"Tug boats tow 28-tonne Kulluk to nearby Kiliuda Bay where the damage can be assessed after grounding on Alaskan coast."

"DETROIT -- A U.S. government safety agency wants electric and hybrid vehicles to make more noise when traveling at low speeds so pedestrians can hear them coming."

"Georgia Power said on Monday it plans to seek approval from Georgia regulators to retire 15 coal-, oil- and natural gas-fired power plants in the state totaling 2,061 megawatts (MW) due primarily to the high cost of meeting stricter federal environmental regulations."

"PITTSBURGH -- An ongoing U.S. Environmental Protection Agency study on natural gas drilling and its potential for groundwater contamination has gotten tentative praise so far from both industry and environmental groups."

"ANCHORAGE, Alaska -- Efforts to pull the Shell drilling rig Kulluk from its near-shore perch on rocks and gravel moved ahead mainly in secret Saturday, though officials disclosed Alaska has approved a tow plan to a temporary destination in nearby safe waters and that towing could be attempted at any time."

"RICHMOND, Calif. -- The Chevron refinery’s massive oil storage tanks sit on the hills overlooking this small, impoverished city in San Francisco’s East Bay. Painted earthen red to blend with the natural surroundings, the tanks cannot help dominating the city’s skyline, much the way the oil giant itself has long shaped Richmond’s identity, economy and politics."

"In three decades of drilling, John C. Holko said, his oil and gas business has never faced such a hostile environment."

"A Shell Oil drilling rig that ran aground in the Gulf of Alaska has incurred water damage to its deck and electrical systems but is otherwise stable, officials with the response team handling the accident said Thursday."

"Transocean, the owner of the Deepwater Horizon rig that was drilling the BP Macondo well when it caught fire and sank off the Louisiana coast in 2010, beginning the nation's largest oil spill, has agreed to plead guilty to a single criminal misdemeanor violation of the Clean Water Act and pay $1.4 billion in civil and criminal fines to settle violations of the Clean Water Act and federal offshore drilling safety regulations, the company and the U.S. Justice Department announced today."