The national average diesel price continued to slide, shedding 5.9 cents to reach $3.789 a gallon, according to Energy Information Administration data released May 20.
Highlights
The current diesel price marks the first time it has cost less than $3.80 a gallon since July 3, 2023, when it was $3.767.
The average price for a gallon is 9.4 cents less than at this time in 2023.
The average diesel price dropped in all 10 regions in EIA’s weekly survey, with the steepest decline being 8.3 cents in the Midwest and mildest being just nine-tenths of a cent in the Lower Atlantic.
The average price for a gallon of gasoline dipped 2.4 cents to $3.584. That's a nickel less than it cost at this time a year ago.