Week of September 28, 2026 · EIA weekly on-highway diesel
West Coast less California diesel price
$6.643 per gallon ▼ down $0.148
West Coast less California retail on-highway diesel price, published by the U.S. Energy Information Administration. This is the number most fuel surcharge programs are priced from.
Last 26 weeks
This week by region
| Region | $/gal | vs. last week |
|---|---|---|
| U.S. average | $6.382 | ▼ down $0.147 |
| East Coast (PADD 1) | $6.137 | ▼ down $0.131 |
| New England (PADD 1A) | $6.510 | ▼ down $0.007 |
| Central Atlantic (PADD 1B) | $6.531 | ▼ down $0.015 |
| Lower Atlantic (PADD 1C) | $5.953 | ▼ down $0.186 |
| Midwest (PADD 2) | $6.526 | ▼ down $0.154 |
| Gulf Coast (PADD 3) | $5.955 | ▼ down $0.222 |
| Rocky Mountain (PADD 4) | $6.407 | ▲ up $0.067 |
| West Coast (PADD 5) | $7.357 | ▼ down $0.099 |
| West Coast less California | $6.643 | ▼ down $0.148 |
| California | $8.181 | ▼ down $0.065 |
Recent weeks, West Coast less California
| Week of | $/gal | Change |
|---|---|---|
| September 28, 2026 | $6.643 | ▼ down $0.148 |
| September 21, 2026 | $6.791 | ▲ up $0.225 |
| September 14, 2026 | $6.566 | ▲ up $0.252 |
| September 7, 2026 | $6.314 | ▲ up $0.442 |
| August 31, 2026 | $5.872 | ▲ up $0.013 |
| August 24, 2026 | $5.859 | ▲ up $0.160 |
| August 17, 2026 | $5.699 | ▲ up $0.173 |
| August 10, 2026 | $5.526 | ▼ down $0.097 |
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About this price
The EIA surveys retail diesel stations every Monday and publishes the averages around 10 a.m. Eastern on Tuesday (Wednesday after a Monday government holiday). The price is dated Monday. Fuel surcharge programs usually use the U.S. average; some use a regional PADD average instead, like this one.
Contracts differ on which week applies: the week of pickup, the week of delivery, or the price published before the load. Fuel Calc lets you pick the week and region per matrix.
Want the dollars, not just the price? Open Fuel Calc, add your fuel matrix (Excel, PDF or paste) and get the surcharge per mile, per load, or broken out of an all-in rate. Or read how to calculate a fuel surcharge.