The EIA weekly on-highway diesel index that fuel-surcharge schedules run on - U.S. average, all 10 regions, updated every release.
The Weekly Diesel Bulletin·No. 7·Week of ·Next release September 9, 2026
Diesel eased 5.3¢ this week to $5.599 a gallon - up $1.865 from a year ago. Here's the national number, all ten EIA regions, and the per-mile fuel-surcharge math that runs off it.
$5.599/gal
U.S. average · week of August 31, 2026▼−$0.053week over week·▲+$1.865year over year
The U.S. average on-highway diesel price is $5.599 per gallon for the week of , down $0.053 from last week.
A year ago () the U.S. average was $3.734 - the price is up $1.865 year-over-year.
The highest regional average this week is California at $7.218; the lowest is Lower Atlantic at $5.276.
This is the EIA (“DOE”) weekly index that fuel-surcharge schedules reference. Next release: September 9, 2026.
The cash-flow side: at this week's index, a 1,000-mile load at 6 MPG is about $933 of diesel paid at the pump - often weeks before the broker's check clears. How owner-operators bridge that gap: freight factoring, explained.
Diesel price by region, week of August 31, 2026
Average
on-highway diesel by EIA region, week of August 31, 2026 -
darker shading = more expensive; click a region. PADD 5 includes AK and HI
(counted in West Coast); East Coast (PADD 1) is 1A+1B+1C combined.
Regions are EIA's Petroleum Administration for Defense
Districts (PADDs) - state-by-state map
here. Click a region for its own page, chart, and full-history
CSV.
Prices are U.S. EIA weekly retail on-highway diesel survey
averages: stations are surveyed each Monday and the average is released the
next day, Tuesday around 10 a.m. ET (Wednesday after Monday federal holidays
- see the release schedule). Fuel-surcharge
contracts commonly call this “the DOE index.” Source and
methodology: about page.