Today's Average Fuel Prices
Access the average daily fuel prices, available to political subdivisions.
Weekly Fuel Prices
- Week of July 14, 2025 (UPDATED 7/18/25 at 8:30 a.m.)
- Week of July 7, 2025
- Week of June 30, 2025
- Week of June 23, 2025
- Week of June 16, 2025
- Week of June 9, 2025
- Week of June 2, 2025
- Week of May 26, 2025
* The Iowa DOT will only keep 60 days of past fuel prices. Please keep your own records if you need them for a longer time period.
Notes: Bio Diesel Blender Tax Credit is not reflected in posted pricing.
Superfund Excise Tax
Superfund Excise Tax rate was adjusted for inflation starting January 1, 2024. This tax should be billed as a separate line item on invoices. Please see list below:
| Product | Super Fund |
|---|---|
| Clear gasoline and Diesel | $0.00405 per gallon |
| 10% Gasohol Blends (E10) | $0.00364 per gallon |
| 15% Ethanol Blends | $0.00344 per gallon |
| 75% Ethanol Blends | $0.00101 per gallon |
| 80% Ethanol Blends | $0.00081 per gallon |
| 85% Ethanol Blends | $0.00061 per gallon |
| 2% Biodiesel Blends | $0.00397 per gallon |
| 5% Biodiesel Blends | $0.00385 per gallon |
| 10% Biodiesel Blends | $0.00364 per gallon |
| 15% Biodiesel Blends | $0.00344 per gallon |
| 20% Biodiesel Blends | $0.00324 per gallon |
| All DOT holidays: The Department of Transportation will be closed, please use the previous day for fuel prices. | |