Wall Street JournalOil Companies' Bet on Kurdistan Turns SourWall Street JournalOil companies that piled into Iraqi Kurdistan after Saddam Hussein's ouster are running into trouble, unraveling the region's promise as source of easy-to-drill oil …

Wall Street JournalGenel Falls to $1 Billion Loss After Tony Hayward's Oil Firm Cuts ReservesWall Street JournalLONDON—Genel Energy PLC, the oil company chaired by former BP PLC Chief Executive Tony Hayward, reported its worst loss since listing its sh …

Business InsiderThe black swan in the oil marketBusiness InsiderFocus remains on China, and particularly so for the crude complex, given the relationship between deteriorating sentiment towards the Chinese economy and a corresponding drop in oil prices. Th …

azcentral.comTip on getting the right motor oilazcentral.comQuestion: My Dodge 2002 2.7L Intrepid calls for 5W-30 motor oil. Is there an issue if I use 5W-20 in it? The reason I ask is because my other two Dodges both use 5W-20, and it would save me from h …

Oil Exploration Companies Scramble to Cut CostsWall Street JournalLONDON—When oil prices started falling last summer, Genel Energy GENL 11.82 % PLC, a small exploration company listed here, asked the government of Ethiopia to extend its exploration license …