The U.S. average retail price of diesel fuel fell 2.2 cents to $3.244 a gallon, the third week in a row of moderate declines, according to the weekly report June 18 from the U.S. Department of Energy’s Energy Information Administration. On June 11 a gallon of diesel averaged $3.266 a gallon nationally.
Diesel remains more expensive than a year ago, up 75.5 cents per gallon compared with the same period in 2017.
The average price of diesel also fell in all regions nationwide. It dropped 1.4 cents a gallon to $3.976 in California, but that state remains the most expensive place in the country to buy the fuel. Diesel in California has gone up $1.092 in the last year.
The Gulf Coast had the lowest price nationally at $3.016 a gallon, down 2.1 cents a gallon for the week but up 68.7 cents in the past year, EIA reported.
The U.S. average price of a gallon of regular gasoline at the pump fell 3.2 cents to $2.879, a rise of 56.1 cents from a year ago, EIA reported. Gasoline prices also fell in all regions of the country.