The U.S. average retail price of regular gasoline increased seven cents for the second consecutive week, to $3.67 per gallon as of May 20, 2013, down four cents from last year at this time. The largest increase came in the Midwest, where the price increased 19 cents to $3.87 per gallon. The Rocky Mountain price rose 11 cents to $3.67 per gallon. The Gulf Coast price is now $3.39 per gallon, an increase of three cents. On the West Coast, the price is up a penny to $3.95 per gallon. Rounding out the regions, the East Coast price increased one cent to $3.49 per gallon.
The national average diesel fuel price increased two cents for the second consecutive week, to $3.89 per gallon, seven cents lower than last year at this time. The Gulf and West Coast prices both increased four cents, to $3.78 per gallon and $4.01 per gallon, respectively. The Midwest and Rocky Mountain prices are both up three cents, to $3.93 per gallon and $3.85 per gallon, respectively. Rounding out the regions, the East Coast price is $3.87 per gallon, up a penny from last week.