The national average rose 17.9 cents in the week to 27 July 2026.
OpenTrucker Data Desk ·
27 July 2026, 12:00 UTC
Assembled from data
The average retail price of on-highway diesel rose 17.9 cents to $5.313 a gallon in the week to 27 July 2026, according to the Energy Information Administration's weekly survey.
The spread across regions was 1.583 dollars a gallon: California was dearest at $6.670, Gulf Coast (PADD 3) cheapest at $5.087.
Against the same week a year earlier the national average is up 46.9%.
The EIA figure is a retail pump average including taxes. Fleets buying on contract typically pay less, and the gap widens when prices move quickly, so the survey is best read as direction rather than as the number on your own invoice.
Dollars per gallon
Source:
U.S. Energy Information AdministrationNational average. A retail pump average including taxes, surveyed every Monday. Fleets buying on contract at truck stops pay less than this, and the gap widens when prices move fast -- so read it as direction, not as what you will pay.