The tar-sands oil entering the pipeline in Alberta contains a small amount of water. Whether this will cause corrosion of the pipeline is a question that has brought high emotions and little actual study.

"It would be natural to imagine that the fall of Tripoli would mean a significant decrease in the cost of oil and the pain that the average consumer feels at the pump. After all, in February, when unrest in Libya commenced, oil prices hit a two-year high. Libya is only the 15th biggest oil exporter in the world, but the oil it exports is of a particularly desirable type.

"In December, the Interior Department will hold the first oil and natural-gas lease sale in the Gulf of Mexico since last year’s massive oil spill that devastated the region."

"Dozens were arrested at the White House Saturday as protesters began a two-week sit-in expected to draw over 2,000 opponents of a proposed pipeline from Canada to the US Gulf Coast."

"New York State's attorney general has sent subpoenas to three large energy companies as part of a broad investigation into whether they have accurately described to investors the prospects for their natural gas wells, according to several sources familiar with the inquiry."

"U.S. solar company Evergreen Solar Inc filed for bankruptcy on Monday, its once cutting-edge technology falling victim to competition from cheaper Chinese rivals and solar subsidy cuts in Europe."

The planned oil-drilling in the Chukchi Sea off Alaska's coast could bring spills harder to control than the Deepwater Horizon blowout. For centuries, native Inupiat have huted bowhead whales, bearded seals, walruses, and Caribou here. The Interior Department has approved exploration here by Shell, the company recently cited by the United Nations for decades of oil pollution in the Niger Delta.

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"China will double its solar capacity to around 2 gigawatts (GW) by the end of the year as the world's largest solar-panel maker ramps up domestic installation, a local paper said on Saturday citing a government-linked think tank."