The U.S. average price for regular gasoline as of December 15, 2014, was $2.55 per gallon, down 13 cents from the previous week, and 69 cents lower than the same time last year. Prices in all regions of the country declined, with the largest drop in the Midwest, where prices fell 17 cents to $2.42 per gallon. The Rocky Mountain average fell 15 cents to $2.59 per gallon, while the West Coast and Gulf Coast prices both fell 11 cents per gallon, to $2.83 and $2.33 per gallon, respectively. The East Coast price fell 10 cents to $2.64 per gallon.
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