U.S. News & World Report | Crude oil tumbles 8 pct, points to low gas prices this fall U.S. News & World Report FILE - In this May 28, 2015 file photo, oil pumps work in the desert oil fields of Sakhir, Bahrain. A slew of global economic and geopolitical factors are working to pummel the price of oil and set up U.S. drivers for very low gasoline prices later ... Oil prices fall nearly 8%, dashing hopes for recovery UPDATE 12-Oil crashes 8 pct as Greek vote, Iran talks set off exodus China, Greece, Iran Upend Oil's World |