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"The average price for a gallon of regular unleaded gasoline in the United States is the cheapest it's been in nearly seven years, retail market analyses find."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2016/01/12/Gas-prices-follow-crude-oil-lower/3111452596519/>