Diesel declined 1.1 cents to $3.964 a gallon, its first drop after two weeks of increases, the Department of Energy reported May 5.
Before the previous increases, diesel had not risen since a half-cent increase March 10 to $4.021, its highest price in almost a year.
Trucking’s main fuel is 11.9 cents higher than the same week last year, according to DOE records.
Gasoline declined 2.9 cents to $3.684 a gallon, the first decline in 13 weeks. The motor fuel is 14.6 cents higher than the same week last year, DOE said after its weekly survey of filling stations.
Each week, DOE surveys about 400 diesel filling stations and 800 gasoline stations to compile national average prices.