The U.S. average retail price of regular gasoline added one cent per gallon to reach $3.44 per gallon. The average price is $0.54 per gallon higher than last year at this time. The Midwest saw the biggest increase this week, as prices in the region gained almost four cents per gallon. Average prices on both the East Coast and Gulf Coast gained about one cent per gallon last week, and the Gulf Coast average price remained the lowest in the country at $3.23 per gallon. The West Coast average price fell more than one cent per gallon but remained the highest regional price in the country at $3.76 per gallon. The Rocky Mountain average price dropped more than two cents per gallon on the week.
The national average diesel price gained a dime this week to hit $3.99 per gallon. This diesel price is $0.80 per gallon higher than last year at this time. Diesel prices were up across all the regions, with the biggest price increase occurring in the Midwest, where diesel prices added more than twelve cents to last week's average. The Rocky Mountain average price followed closely behind, with an increase of almost 12 cents per gallon. Prices were almost nine cents per gallon higher on the East Coast and Gulf Coast, while prices on the West Coast posted an increase of six cents per gallon.