September 26, 2012
In this Monday, Sept. 24, 2012, file photo, a man changes fuel prices at a ConocoPhillips gas station in Little Rock, Ark. The price of oil fell to its lowest point in nearly two months Tuesday as persistent worries about the global economy overshadowed encouraging reports about U.S. consumer confidence and housing prices. (AP Photo/Danny Johnston)
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Oil has dropped $9 per barrel, or 9.1 percent, in less than two weeks. Gas prices tend to lag changes in oil, but experts don't expect a significant move lower until the middle of October.