Diesel’s price has dropped 14.2 cents over four straight decreases. (vitpho/Getty Images)

The national average diesel price ticked down 1.7 cents a gallon to $3.497, according to U.S. Energy Information Administration data released May 6.

Diesel’s price has dropped 14.2 cents over four straight decreases after rising 9 cents over three consecutive increases.

The price of a gallon of trucking’s main fuel is now 39.7 cents less than it was at this time in 2024.



PADD Districts

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EIA PADD chart

(PADD — Petroleum Administration for Defense Districts. U.S. Energy Information Administration)

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Regional Trends

Diesel’s average price fell in all five PADD districts, with the biggest drop coming in at 2.4 cents in the Midwest. Including subregions, the West Coast less California experienced the steepest decline at 2.7 cents.

US On-Highway Diesel Fuel Prices

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Diesel fuel chart for May 6, 2025

Gasoline Update

The national average price for a gallon of gasoline inched up 1.4 cents to settle at $3.147. That’s 49.6 cents less than at this time a year ago.

What We Pay …

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What We Pay