The U.S. average retail price of regular gasoline increased about three cents last week to $3.88 per gallon, 28 cents per gallon higher than last year at this time. The largest increase came in the Rocky Mountain region, where the average price rose more than seven cents to $3.77 per gallon. The East Coast price added more than a nickel to reach $3.88 per gallon. In the Midwest, the average price increased more than three cents to $3.89 per gallon. The Gulf Coast price was up more than one cent to $3.66 per gallon. Moving in the opposite direction, the West Coast price shed almost a penny, but remains the highest average price in the country at $4.07 per gallon.
The national average diesel fuel price increased three-tenths of a cent to $4.14 per gallon, 30 cents per gallon higher than last year at this time. The largest increase came in the Rocky Mountain region, where the price increased more than one cent to $4.26 per gallon. The East Coast price was also up more than a penny, to $4.13 per gallon. On the Gulf Coast, the average price added almost a penny to $4.03 per gallon. The Midwest diesel price was almost flat for the week, remaining at $4.08 per gallon. The West Coast saw the only decrease for the week, with its average price falling more than two cents to $4.40 per gallon.