Diesel prices climb slightly after recent downward slide

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Updated Jul 6, 2018

Diesel prices in the U.S. saw an increase during the most recent week for the first time in more than a month, according to the Department of Energy’s weekly report.

The U.S.’ average for a gallon of on-highway diesel is now $3.236 after a 2-cent increase during the week ending July 2. The increase ends a month-long trend of falling prices in June.

The region that saw the highest jump during the last week was the Rocky Mountain region, where prices jumped 3.7 cents.

California’s diesel prices held mostly flat at $3.96 per gallon – the highest in the nation – followed by the West Coast less California region at $3.475 per gallon.

The cheapest fuel can be found in the Gulf Coast region at $3.002 per gallon, followed by the Lower Atlantic region at $3.102 per gallon.

Prices in other regions, according to DOE, are:

  • New England – $3.282
  • Central Atlantic – $3.39
  • Midwest – $3.171
  • Rocky Mountain – $3.358

ProMiles’ numbers during the week saw fuel prices during the week increase by 1.6 cents to $3.163 per gallon nationwide.

According to ProMiles’ Fuel Surcharge Index, the most expensive diesel can be found in California at $3.941 per gallon, and the cheapest can be found in the Gulf Coast region at $3.014 per gallon.