CHICAGO, IL - FEBRUARY 07: Customers purchase gasoline at a Shell station February 7, 2011 in Chicago, Illinois. The average price of a gallon of gas in the United States rose slightly in the last two... more 
CHICAGO, IL - FEBRUARY 07: Customers purchase gasoline at a Shell station February 7, 2011 in Chicago, Illinois. The average price of a gallon of gas in the United States rose slightly in the last two weeks to a nationwide average of $3.13 a gallon for self-serve, regular. The price of crude oil is currently at it's lowest level in a week, dropping 1.7 percent as talks between the government and opposition leaders helped ease tensions in Egypt. (Photo by Scott Olson/Getty Images) less 
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Getty Images | Photo By Scott Olson / Getty Images
Mon, Feb 7, 2011 5:35 PM EST