The price is 37.8 cents higher than a year ago.
Once again, all regions except New England reported small increases. New England dipped 0.5 cent, while the Rocky Mountain region rose 1.7 cents. The Gulf Coast remained the cheapest region to buy diesel, rising 1.2 cents. California diesel rose 0.7 cent to $3.132, the most expensive in the U.S.
For state-by-state diesel prices, updated daily, click here.