The U.S. average retail price of regular gasoline fell less than a penny per gallon last week to remain at $3.39 per gallon. The average price is about $0.28 per gallon higher than last year at this time. The Midwest was the only region where prices fell, losing five and a half cents per gallon to reach $3.31 per gallon. The East Coast saw the largest regional increase at two and a half cents per gallon to put prices at $3.46 per gallon. Gulf Coast and West Coast average prices both increased just shy of two cents per gallon to reach $3.23 and $3.62 per gallon, respectively. Rocky Mountain prices increased less than a penny per gallon to $3.01 per gallon.

The national average on-highway diesel price fell less than a penny per gallon to remain at $3.85 per gallon. The diesel price is $0.42 per gallon higher than last year at this time. Prices fell in all major regions except the West Coast, where prices remained flat from last week at $4.04 per gallon. The regional price decreases were relatively small; the largest price decrease occurred in the Midwest, where prices fell one cent per gallon to $3.74 per gallon. The East Coast, Gulf Coast, and Rocky Mountain regional prices all fell less than a penny per gallon to reach $3.94, $3.77, and $3.82 per gallon, respectively.