The U.S. average retail price for regular gasoline decreased one cent from the previous week to $2.03 per gallon as of December 21, 2015, 38 cents per gallon less than the same time last year.
Prices decreased in all regions except the West Coast, where the price increased six cents to $2.57 per gallon. The Midwest price fell six cents to $1.85 per gallon. The East Coast price was down less than one cent to remain $2.04 per gallon. The Rocky Mountain and Gulf Coast prices both dropped less than one cent, to $1.99 per gallon and $1.78 per gallon, respectively.