The national average price for a gallon of on-highway diesel fell 4.2 cents in the week ended Oct. 20 to $3.656, according to the Department of Energy’s weekly report, marking the 16th week in a row without an increase.
The DOE forecasts the trend to continue into the fourth quarter, too.
All regions in the U.S. also saw price drops, led by a 6.4-cent drop in the New England region, followed by a 6-cent drop in the West Coast less California region and a 5.6-cent drop in the West Coast with California region.
The California subregion still had the country’s most expensive diesel, $3.913, followed by the West Coast’s $3.835, the West Coast less California’s $3.742 and the Rocky Mountain region’s $3.738.
The Gulf Coast reclaimed its spot as having the cheapest diesel with its $3.589, followed by the Lower Atlantic’s $3.590 and the Midwest’s $3.606.