The U.S. average price of on-highway diesel, how it changed since yesterday, last week, last month and last year — plus regional averages and a map of 1,600+ truck stops.
U.S. national average, AAA. A new point is added every day.
U.S. weekly retail on-highway diesel, U.S. Energy Information Administration (EIA).
Official weekly averages for the week of Sep 21, 2026, with the change from the week before. Source: U.S. Energy Information Administration.
Tap a truck stop for its address, the average diesel price in its region, directions, and a link to check its live pump price.
Individual stations change prices during the day and don't publish them as open data, so the price shown for each stop is the official weekly average for its region (EIA). Always check the pump or the chain's app for the exact price. Locations: © OpenStreetMap contributors.
Browse all truck stops by state and city →
The U.S. national average for diesel is $6.502 per gallon as of September 25, 2026, according to AAA. That is up $0.054 from a week ago.
State fuel taxes, distance from refineries and pipelines, and local fuel rules all move the price. California and the West Coast are usually the most expensive; the Gulf Coast is usually the cheapest.
No. Each chain sets prices station by station and changes them during the day. The map shows where the truck stops are and the official weekly average for each region; tap a stop to check its live pump price with the chain.
The national average updates every day. Regional averages come from the U.S. Energy Information Administration (EIA) every Monday.
Sources: national daily average — AAA Gas Prices; regional weekly averages and 1-year history — U.S. Energy Information Administration; truck stop locations — OpenStreetMap contributors. Prices are averages for information only.
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