Diesel Prices Inch Up Across US After 10-Week Decline

Fuel Costs Rise 1.3 Cents Nationally, Still $1 Cheaper Year Over Year
Diesel station
The national average diesel price rose 1.3 cents in EIA data published Sept. 23. (Bim/Getty Images)

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The average price of diesel fuel in the United States edged higher last week, halting a 10-week streak of declines. Nationally, diesel prices rose by 1.3 cents to $3.539 per gallon, according to data published Sept. 23 by the U.S. Energy Information Administration.

Despite this minor uptick, diesel remains significantly cheaper than a year ago. The national average is down $1.047 compared to the same period in 2023.

Year-Over-Year Trends

The largest year-over-year declines were observed on the West Coast (-$1.448) and Rocky Mountain regions (-$1.193), while the Gulf Coast experienced a drop of $1.09. These price decreases continue to offer relief to fleets and trucking companies facing volatile fuel costs over the past year.



U.S. On-Highway Diesel Fuel Prices

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EIA regional fuel chart

U.S. Energy Information Administration

Gasoline Update

The national average price for a gallon of gasoline nudged up a half-cent to $3.815. That's 65.2 cents less than it cost at this time in 2023. 

Regional Analysis

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EIA PADD chart

East Coast (PADD 1): Diesel prices dipped by 0.8 cents to an average of $3.577 per gallon. Within the region:

  • New England (PADD 1A) saw the largest regional decrease, with prices falling 2.1 cents to $3.797 per gallon — 81 cents less than last year.
  • Central Atlantic (PADD 1B) prices were virtually unchanged, inching up 0.3 cents to $3.813 per gallon, marking a 95.1-cent decline year over year.
  • Lower Atlantic (PADD 1C) experienced a 1.2-cent decrease to $3.467 per gallon, down 96.2 cents from the previous year.

Midwest (PADD 2): The region recorded the largest price increase nationwide, with diesel rising 3 cents to $3.511 per gallon. Nevertheless, prices are still 92.8 cents lower than the same time last year, providing some cost relief for regional trucking operations.

Gulf Coast (PADD 3): Historically known for the lowest diesel prices due to its proximity to major refineries, the Gulf Coast saw prices climb 1.9 cents to $3.191 per gallon. But diesel is still $1.09  cheaper than at this time last year, and that’s good for the second-largest decline among all regions.

Rocky Mountain (PADD 4): Continuing its recent pattern of increases, diesel prices in the Rocky Mountain region rose by 2 cents to $3.608 per gallon. The area has seen a significant year-over-year decrease of $1.193.

West Coast (PADD 5): Diesel prices edged down by 0.5 cent to an average of $4.239 per gallon. California, however, continues to report the highest prices in the nation at $4.727 per gallon, a slight decrease of 0.6 cent from the previous week. The West Coast overall has experienced the most substantial annual decline, with prices down $1.448, including a $1.481 drop in California.

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