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"The average price for a gallon of regular unleaded gasoline in the United States increased 4 percent in the last week, AAA said Monday."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2013/07/15/US-gasoline-prices-climb/UPI-80031373888626/?rel=47741375706225>