# Diesel prices ease in US, but West Coast fleets hammered by spike - Truck News

> Samsara's fleet index shows average US diesel fell 2.9% to $5.15 per gallon for April 20-26. California prices jumped 27.3% in one week to $6.56, driven by West Coast refinery outages and California fuel blend requirements.

- Date: 2026-04-28 · published 2026-04-28T12:00:00.000Z
- Category: logistics · region US · magnitude medium
- Page: https://feedsoft.ai/events/19892-diesel-prices-ease-in-us-but-west-coast-fleets-hammered-by-spike-truck-news
- Commodities: [ULSD / Diesel](https://feedsoft.ai/c/DIESEL.md)

## Why it matters

Regional refinery outages and tight distillate inventories keep West Coast transport costs high. This raises freight costs for Pacific-facing feed and grain movements even as national prices ease.

## Read by commodity

- DIESEL: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| DIESEL | 2026-04-14 | [Diesel prices drop by 3.5 cents but could remain sticky, experts say \| Trucking Dive](https://feedsoft.ai/events/10140-diesel-prices-drop-by-3-5-cents-but-could-remain-sticky-experts-say-trucking.md) | -7.0% | +4.5% |
| DIESEL | 2016-12-12 | [Trucking Industry Hits Road Bump With Rising Diesel Prices - WSJ](https://feedsoft.ai/events/73647-trucking-industry-hits-road-bump-with-rising-diesel-prices-wsj.md) | +2.3% | -1.5% |
| DIESEL | 2024-02-07 | [US West Coast distillate prices jump on flare reports, export demand](https://feedsoft.ai/events/31858-us-west-coast-distillate-prices-jump-on-flare-reports-export-demand.md) | +5.2% | -2.8% |
| DIESEL | 2026-04-29 | [Surge in Diesel Prices Tightens U.S. Trucking Capacity \| SupplyChainBrain](https://feedsoft.ai/events/19894-surge-in-diesel-prices-tightens-u-s-trucking-capacity-supplychainbrain.md) | +1.7% | -9.2% |
| DIESEL | 2026-04-14 | [US truckers' diesel spending hits record high on Middle East conflict \| Reuters](https://feedsoft.ai/events/19889-us-truckers-diesel-spending-hits-record-high-on-middle-east-conflict-reuters.md) | -7.0% | +4.5% |

## Sources

- trucknews.com: https://www.trucknews.com/business-management/diesel-prices-ease-in-us-but-west-coast-fleets-hammered-by-spike/1003213930/

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