Fuel price volatility continues as diesel and gasoline averages tick upward

National diesel and gasoline prices edge higher, with regional shifts showing gains in some areas and declines in others across the U.S.
March 31, 2026
3 min read

Key takeaways

  • Diesel and gas prices increased modestly overall, with smaller week-over-week gains than prior periods.
  • Regional fuel trends remain uneven, with some areas seeing increases while others experience declines.
  • Crude oil pressure and seasonal demand are contributing factors influencing current fuel price movements.

 

Diesel and gas prices continue to rise but at a slower pace. In some regions of the U.S., diesel and gas prices even declined. The national average on-highway diesel price rose 3 cents to $5.401, according to data released by the U.S. Energy Information Administration (EIA) on March 31. Gas prices rose 3 cents to $3.990. 

What are the current diesel prices across the U.S.?

Here are this week’s diesel price highlights from each region of the U.S.:

  • West Coast: The biggest increase in diesel prices this week occurred along the West Coast for 29 cents to $6.596. Without including California, diesel prices rose 23 cents to $6.056.
  • Rocky Mountain: In the Rockies, diesel prices rose 10 cents to $5.270.
  • East Coast: Along the East Coast, diesel prices rose 6 cents to $5.535.
  • Gulf Coast: Along the Gulf Coast, diesel prices dropped 3 cents to $5.105.
  • Midwest: In the Midwest, diesel prices dropped 6 cents to $5.105. 

According to AAA Motor Club (AAA), the current national diesel price average is $5.454. This is 5 cents higher than EIA’s current estimate and $1.86 higher than this time last year.

What are the current gasoline prices across the U.S.?

The current national average on-highway gasoline price is $3.990, according to EIA, 3 cents higher than last week’s average. 

Here are this week’s gasoline price highlights from each region of the U.S.:

  • West Coast: The biggest increase in gasoline prices this week occurred along the West Coast for 7 cents to $5.344. Without including California, gas prices rose 8 cents to $4.875.
  • Rocky Mountain: In the Rockies, gas prices rose 7 cents to $3.917.
  • East Coast: Along the East Coast, gas prices rose 3 cents to $3.814.
  • Midwest: In the Midwest, gas prices rose 3 cents to $3.709.
  • Gulf Coast: Along the Gulf Coast, gas prices dropped 1 cent to $3.590.

According to AAA, the current national gasoline price average is $4.018. This is 3 cents higher than EIA’s current estimate and 85 cents higher than this time last year. 

In a recent press release, AAA stated: “Crude oil prices remain high as the Iran conflict nears the four-week mark. The national average could reach $4/gallon in the coming days for the first time since August 2022. Gasoline demand is also on the rise as spring break season continues, another factor in surging pump prices.”

About the Author

Jenna Hume

Jenna Hume

Digital Editor

Digital Content Specialist Jenna Hume joined FleetOwner in November 2023 and previously worked as a writer in the gaming industry. She has a Bachelor of Fine Arts degree in creative writing from Truman State University and a master of Fine Arts degree in writing from Lindenwood University. She is currently based in Missouri. 

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