# Big jump in benchmark diesel price is 2nd largest since war began - FreightWaves

> The benchmark US retail diesel price rose 33.8 cents to $5.134 per gallon, the second-largest weekly jump since the Iran war began. ULSD futures had risen sharply since early July, and retail prices were still lagging those gains.

- Date: 2026-07-21 · published 2026-07-21T12:00:00.000Z
- Category: market · region US · magnitude medium
- Page: https://feedsoft.ai/events/18534-big-jump-in-benchmark-diesel-price-is-2nd-largest-since-war-began-freightwaves
- Commodities: [ULSD / Diesel](https://feedsoft.ai/c/DIESEL.md)

## Why it matters

Rapid diesel cost increases raise transport and fuel surcharges for feed deliveries and grain movements. Futures momentum suggests further retail increases ahead.

## Read by commodity

- DIESEL: bullish ▲

## Sources

- freightwaves.com: https://www.freightwaves.com/news/big-jump-in-benchmark-diesel-price-is-2nd-largest-since-war-began

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.