Diesel prices hit nearly 4-year high

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Updated Oct 2, 2018

A 4.2-cent increase in the country’s average diesel fuel price during the week ending Oct. 1 pushed the national average to its highest point in nearly four years, according to numbers from the Department of Energy.

The U.S.’ average price for a gallon of on-highway diesel is now $3.313, the highest diesel has been since the week ending Dec. 15, 2014, when fuel hit $3.419 per gallon nationwide.

During the most recent week, prices increased in all regions, with the most significant increase being seen in the Midwest region, which saw a 6-cent jump.

California, which saw a 5.2-cent increase during the last week, topped the $4 per gallon mark with prices now at $4.038 per gallon, followed by the West Coast less California region at $3.506 per gallon.

The cheapest fuel can be found in the Gulf Coast region at $3.079 per gallon, followed by the Lower Atlantic region at $3.18 per gallon.

Prices in other regions, according to the DOE, are:

  • New England – $3.305
  • Central Atlantic – $3.447
  • Midwest – $3.278
  • Rocky Mountain – $3.367

ProMiles’ numbers during the week also saw fuel prices jump considerably by 4.3 cents, bringing its national average to $3.241 per gallon.

According to ProMiles’ Fuel Surcharge Index, the most expensive diesel can be found in California at $4.002 per gallon, and the cheapest can be found in the Gulf Coast region at $3.096 per gallon.