CNNCalifornia 'aggressive' in oil spill cleanup, governor declares emergencyCNNA ruptured 24-inch pipeline gets the blame for leaking oil near Refugio State Beach, a protected state park, just before Memorial Day weekend marks the start of the summ …

Wall Street JournalCleanup Under Way as Officials Assess Size of California Oil SpillWall Street JournalSANTA BARBARA COUNTY, Calif.—As an investigation and cleanup efforts began Wednesday, federal officials said that oil that spilled from a burst pipeline …

Wall Street JournalExtent of California Oil Spill Being AssessedWall Street JournalSANTA BARBARA COUNTY, Calif.—The U.S. Coast Guard is still trying to assess exactly how much oil has leaked from a ruptured pipeline in southern California into the Pacific …

Wall Street JournalCleanup Crews Tackle California Oil Spill as Officials Assess SizeWall Street JournalThe oil spill in Santa Barbara County, Calif., could be as large as 2,500 barrels, or 105,000 gallons, in a worst-case scenario outlined Wednesday by th …

NJ.comRecent derailments raise concerns about transporting oil by trainsThe AdvocateA string of train derailments involving tank cars carrying crude oil from the Bakken field in North Dakota has spilled hundreds of thousands of gallons of oil, set off expl …