July 6, 2007 - U.S. oil companies' influence wanes HOUSTON (AP) - Though the U.S. is still the world's leading oil consumer, its might in the global petroleum business is dwindling. TradeSignals U.S. Energy Futures Morning Commentary Jul 6, 2007 (TradeSignals via COMTEX) -- Crude Oil: Front month crude oil is higher in ACCESS trade this morning extending the prior sessions gains.