The national retail price for on-highway diesel increased for the second straight week, rising 2.4 cents a gallon to $3.89 during the week ended May 20, according to the U.S. Department of Energy’s Energy Information Administration. Diesel prices nationwide are 6.6 cents lower than the same week last year.
Diesel prices rose in all but one region — New England, where the average price dipped 0.4-cent. The largest increase was 4.9 cents on the West Coast (excluding California). California has the nation’s most expensive diesel on average at $4.072 a gallon. The cheapest diesel on average is in the Gulf Coast region where the average price is $3.775 a gallon.
Complete diesel price information is available on EIA’s website.