| http://www.w3.org/ns/prov#value | - 06:34 PM, Thursday, July 04 2013 | 690 views | 0 | 5 | | A sign advertising unleaded gas for $2.99 is seen at a QuikTrip station in Greenville, S.C. Gasoline prices are on a summer slide, giving U.S. drivers a break as they set out for the beach and other vacation spots for the Fourth of July. (ASSOCIATED PRESS / Rainier Ehrhardt, File)
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