Pump prices · week of September 21, 2026
Diesel and regular gasoline prices in US Midwest
In the week of September 21, 2026, diesel averaged $6.68 a gallon in US Midwest and regular gasoline $4.39 (US$1.76 a litre for diesel). Diesel is +76% and regular gasoline +64% compared with the week of February 23, 2026, before the Strait of Hormuz closed.
Updated September 21, 2026 · Source: US EIA weekly retail gasoline and diesel prices
| This week | Week ago | Week of February 23, 2026 | Change since then | |
|---|---|---|---|---|
| Regular gasoline ($/gal) | 4.386 | 4.091 | 2.675 | +64.0% |
| Diesel ($/gal) | 6.680 | 6.250 | 3.798 | +75.9% |
Trend
■ Diesel ■ regular gasoline, weekly, in $/gal.
Common questions
How much is diesel in US Midwest?
$6.68 a gallon on average in the week of September 21, 2026 (US$1.76 a litre), according to the US EIA weekly retail gasoline and diesel prices.
How much has fuel risen in US Midwest since February 2026?
Diesel: +76%. Regular gasoline: +64%. Compared with the week of February 23, 2026.
How does US Midwest compare with the US average?
Diesel in US Midwest is $6.68 against $6.53 for the United States.
Related: United States · US East Coast · US Gulf Coast · US Rocky Mountain · US West Coast · California · All countries