Higher gas prices are posted at a Chevron gas station in San Francisco, Friday, March 4, 2011. Gasoline prices have shot up an average of 35 cents per gallon since an uprising in Libya began in ... more 
Higher gas prices are posted at a Chevron gas station in San Francisco, Friday, March 4, 2011. Gasoline prices have shot up an average of 35 cents per gallon since an uprising in Libya began in mid-February. less 
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Associated Press | Photo By Paul Sakuma
Sun, Mar 6, 2011 11:34 AM EST