The national average retail price of a gallon of diesel continued its freefall of recent weeks, skidding another 3.6 cents for the week ending Monday, Sept. 15. The $4.023 price was the lowest in 23 weeks, when it was $3.955 on April 7, the last time the price was below $4. The price has fallen 74.1 cents in the last nine weeks.
Still, the price is $1.059 higher than the same week last year, according to the U.S. Department of Energy. The average U.S. price now has been above $4 for 23 weeks, hitting a record high of $4.764 on July 14.
Every region tracked by DOE saw price declines except for the Lower Atlantic, where week-over-week prices climbed 1.3 cents to $4.031.
The largest retreat by region, 8.0 cents, was found in the Central Atlantic, where week-over-week prices declined to $4.166. The smallest decline by region, 0.4 cents, was found on the Gulf Coast, where week-over-week prices fell to $4.011.
The nation’s most expensive diesel by region, $4.246, was found in New England, where week-over-week prices declined 6.6 cents. The nation’s least expensive diesel by region was found in the Midwest, where week-over-week prices fell 4.2 cents to $3.973, the nation’s only average price below $4.
California, which DOE tracks separately, saw the nation’s largest price retreat overall, 13.2 cents, falling to $4.053. For state-by-state diesel prices, updated daily, click here.