CNNMoney | Cracks emerge in U.S. oil boom CNNMoney The American energy boom is finally showing some cracks from the crash in oil prices. U.S. oil production decreased by 120,000 barrels per day in September from August, according to a report released by the Energy Information Administration on Tuesday. US oil output on brink of 'dramatic' decline, executive says US Oil Production On Brink Of 'Dramatic' Decline, Exec Says |