For the fifth week in a row, diesel prices were on the upswing last week, increasing a half-cent during the week ending May 9, according to the Department of Energy’s weekly report.
The average price of a gallon of on-highway diesel in the U.S. now stands at $2.271.
Prices increased in all regions except the Lower Atlantic region, where prices stayed even, and the Gulf Coast region, where priced dropped by six-tenths of a cent. The most significant increase came in the Rocky Mountain region, where prices rose 2.2 cents.
The most expensive diesel in the U.S. can be found in California at $2.594 per gallon, followed by the Central Atlantic region at $2.402 per gallon.
The cheapest fuel can be found in the Gulf Coast region at $2.131 per gallon, followed by the Lower Atlantic region at $2.232 per gallon.
Prices in other regions, according to the DOE, are as follows:
•New England – $2.334
•Midwest – $2.241
•Rocky Mountain – $2.277
•West Coast less California – $2.368
ProMiles’ numbers during the same week have the average price of a gallon of on-highway diesel at $2.246 per gallon nationwide, a half-cent increase over last week’s numbers.
According to ProMiles’ Fuel Surcharge Index, the most expensive diesel can be found in California at $2.584 per gallon, and the cheapest can be found in the Gulf Coast region at $2.152 per gallon.