Diesel prices nationwide dropped for the first time in six weeks during the week ending Jan. 16, allowing the national average to avoid topping the $2.60 mark, according to the Department of Energy’s weekly report.

Despite the drop, diesel prices are still higher than any point in 2016. The U.S.’ average price for a gallon of on-highway diesel is now $2.585, a 1.2-cent decrease from the previous week.

The West Coast less California region saw the most significant decrease with a drop of 1.9 cents during the week.

The most expensive diesel is in California at $2.937 per gallon, followed by the Central Atlantic region at $2.804 per gallon.

The cheapest fuel can be found in the Gulf Coast region at $2.429 per gallon, followed by the Lower Atlantic region at $2.511 per gallon.

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

  • New England – $2.675
  • Midwest – $2.541
  • Rocky Mountain – $2.538
  • West Coast less California – $2.755

ProMiles’ numbers during the same week also show a 1.3-cent decrease in diesel prices to $2.54 per gallon nationwide.

According to ProMiles’ Fuel Surcharge Index, the most expensive diesel can be found in California at $2.909 per gallon, and the cheapest can be found in the Gulf Coast region at $2.442 per gallon.