It's been nearly five years since U.S. residents spent so little at the gas pump, travel and leisure group AAA said Friday. Retail gasoline prices averaged $2.60 a gallon on Friday, the lowest since Dec. 27, 2009. "Gas prices will continue to be in freefall as long as crude oil is searching for a bottom," said Michael Green, a AAA spokesman. AAA said U.S. consumers are saving about $375 million on gasoline per day compared with the high prices in the spring and summer. This works to about $100 per month on average per U.S. household, AAA said. Prices could average $2.50 by the end of the year, the company said. The states with the lowest averages include Missouri (average of $2.32 a gallon), Oklahoma ($2.36), Texas ($2.38), Mississippi ($2.39), and South Carolina ($2.40).
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