The U.S. average retail price of regular gasoline decreased 4 cents this week to $3.57 per gallon, 14 cents per gallon lower than last year at this time. The average price has shed almost 37 cents over the last ten weeks, to its lowest level since mid-February. Prices fell in all regions except the Midwest, where the average price rose two cents to $3.54 per gallon. The largest decline came on the West Coast, where the price decreased nine cents to $4.09 per gallon. Prices on the East Coast and Gulf Coast were each down about six cents, to $3.45 per gallon and $3.31 per gallon, respectively. The Rocky Mountain region saw the smallest decrease, falling two cents to $3.71 per gallon.

The national average diesel fuel price decreased 7 cents to $3.78 per gallon, 17 cents per gallon lower than last year at this time, and the lowest average since October 2011. The West Coast saw the largest decrease for the second consecutive week, falling eleven cents to $3.99 per gallon. The last time diesel on the West coast was below the $4 mark was January 2, 2012. The East Coast price dropped almost seven cents to $3.82 per gallon, and the Gulf Coast price lost almost six cents to reach $3.70 per gallon. Average prices in both the Midwest and Rocky Mountains fell five cents, to $3.70 per gallon and $3.87 per gallon, respectively.