Pump prices · week of September 21, 2026
Diesel and regular gasoline prices in United States
In the week of September 21, 2026, diesel averaged $6.53 a gallon in United States and regular gasoline $4.48 (US$1.73 a litre for diesel). Diesel is +71% and regular gasoline +52% compared with the week of February 23, 2026, before the Strait of Hormuz closed.
Updated September 21, 2026 · Source: US EIA weekly retail gasoline and diesel prices
| This week | Week ago | Week of February 23, 2026 | Change since then | |
|---|---|---|---|---|
| Regular gasoline ($/gal) | 4.478 | 4.319 | 2.937 | +52.5% |
| Diesel ($/gal) | 6.529 | 6.285 | 3.809 | +71.4% |
Trend
■ Diesel ■ regular gasoline, weekly, in $/gal.
Common questions
How much is diesel in United States?
$6.53 a gallon on average in the week of September 21, 2026 (US$1.73 a litre), according to the US EIA weekly retail gasoline and diesel prices.
How much has fuel risen in United States since February 2026?
Diesel: +71%. Regular gasoline: +52%. Compared with the week of February 23, 2026.
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