The national average retail price of a gallon of diesel fell for the fourth consecutive week, declining 4.6 cents to $2.496 for the week ending Monday, July 20. The price — which had climbed 43.1 cents in the seven weeks prior to June 29 — is $2.222 less than the same week last year, according to the U.S. Department of Energy. Since June 29, the price has fallen 12.0 cents.
All regions tracked by DOE saw price decreases. The largest decrease by region, 6.0 cents, was found in the Rocky Mountains, where week-over-week prices fell to $2.559. The smallest decrease by region, 2.3 cents, was found in New England, where week-over-week prices fell to $2.600.
The nation’s most expensive diesel by region, $2.630, was found in the Central Atlantic, where week-over-week prices fell 3.3 cents. The nation’s least expensive diesel by region, $2.443, was found on the Gulf Coast, where week-over-week prices fell 5.1 cents.
California, which DOE tracks separately for its weekly update, saw a price decrease of 2.4 cents to $2.703; that price is $2.261 cheaper than last year. For state-by-state diesel prices, updated daily, click here.