The U.S. average retail price of diesel crept up 0.6 cent to $3.226 a gallon while crude oil prices jumped higher as Middle East tensions continued.
Diesel fuel costs 69.5 cents a gallon more than it did a year ago, when the price was $2.531, the Department of Energy said July 30.
Averages rose in all regions except the Rocky Mountains, where the average fell by 0.8 cent to $3.361 a gallon.
The national average price for regular gasoline rose 1.5 cents to $2.846 a gallon, DOE’s Energy Information Administration said. The average is 49.4 cents higher than it was a year ago.
Average gasoline prices fell in the Rocky Mountains and West Coast but rose elsewhere.