"Up to 4 million barrels (167 million gallons), the vast majority of the spill, remains unaccounted for in government statistics."

"The State Department said it would delay its decision on a permit for a contentious $7 billion pipeline project intended to deliver crude oil from the oil sands of the province of Alberta in Canada, to refineries on the Texas Gulf Coast."

"Appalachian coal-mining interests have donated more than $60,000 to the US Senate campaign of Republican Carly Fiorina, the former HP chief executive who's said she's 'not sure' that climate change is occurring. First reported by California Watch,  the donations are the latest indication that California is a key battleground in the political war over climate change."

"The failure of climate legislation in the Senate last week is a blunt reminder of a basic truth, experts say: The nation's energy policies are historically driven by state and regional interests that will trump national agendas in all but the most compelling circumstances.

"The largest oil spill in U.S. history has unleashed a gusher of at least 250 class-action lawsuits that could eventually encompass millions of victims in a legal battle expected to stretch on for decades."

"House and Senate Democratic leaders introduced bills on Tuesday responding to the Gulf of Mexico oil spill, with provisions to overhaul the federal regulation of offshore drilling, lift liability limits on companies responsible for damaging spills and funnel more money to spill-related research and restoration projects."

"Oil giant BP PLC will reduce its contribution to U.S. coffers by roughly $10 billion due to a tax credit the company is claiming it incurred from the Gulf of Mexico oil spill."
 

"The oil  slick in the Gulf of Mexico appears to be dissolving far more rapidly than anyone expected, a piece of good news that raises tricky new questions about how fast the government should scale back its response to the Deepwater Horizon disaster."

"A team of federal investigators known as the 'BP squad' is assembling in New Orleans to conduct a wide-ranging criminal probe that will focus on at least three companies and examine whether their cozy relations with federal regulators contributed to the oil disaster in the Gulf of Mexico, according to law enforcement and other sources."