The national average retail price of a gallon of diesel increased for the fourth consecutive week, climbing 2.7 cents to $2.652 for the week ending Monday, Aug. 17. The price — which has climbed 15.6 cents since July 20 — is the highest recorded this year, but is still $1.555 less than the same week last year, according to the U.S. Department of Energy.
All regions tracked by DOE saw price increases. The largest increase by region, 6.0 cents, was found in the Rocky Mountains, where week-over-week prices climbed to $2.633. The smallest increase by region, 1.6 cents, was found in the Central Atlantic, where week-over-week prices climbed to $2.771, the nation’s most expensive diesel by region. The nation’s least expensive diesel by region, $2.607, was found on the Gulf Coast, where prices climbed 2.6 cents.
California, which DOE tracks separately for its weekly update, saw a price increase of 3.0 cents to $2.872; still, that price is $1.55 cheaper than last year. For state-by-state diesel prices, updated daily, click here.