EIA weekly data
Diesel prices, May 2026
The U.S. average retail diesel price averaged $5.600 a gallon in May 2026, across 4 weekly readings, up $0.099 from the month before and up $2.101 from a year earlier. California averaged the most ($7.271) and Gulf Coast (PADD 3) the least ($5.124).
- U.S. monthly average
- $5.600 range $5.523 to $5.640
- From prior month
- +0.099 dollars per gallon
- From a year earlier
- +2.101 dollars per gallon
Weekly prices by region
| Region | May 4 | May 11 | May 18 | May 25 | Average | vs. prior month | vs. year earlier |
|---|---|---|---|---|---|---|---|
| U.S. average | $5.640 | $5.639 | $5.596 | $5.523 | $5.600 | +0.099 | +2.101 |
| East Coast (PADD 1) | $5.504 | $5.465 | $5.420 | $5.394 | $5.446 | −0.137 | +1.887 |
| New England (PADD 1A) | $5.863 | $5.849 | $5.808 | $5.799 | $5.830 | −0.099 | +1.942 |
| Central Atlantic (PADD 1B) | $5.873 | $5.863 | $5.819 | $5.810 | $5.841 | −0.095 | +2.050 |
| Lower Atlantic (PADD 1C) | $5.331 | $5.278 | $5.231 | $5.201 | $5.260 | −0.157 | +1.822 |
| Midwest (PADD 2) | $5.742 | $5.815 | $5.749 | $5.623 | $5.732 | +0.486 | +2.293 |
| Gulf Coast (PADD 3) | $5.178 | $5.152 | $5.122 | $5.045 | $5.124 | −0.078 | +1.960 |
| Rocky Mountain (PADD 4) | $5.517 | $5.491 | $5.549 | $5.493 | $5.512 | +0.224 | +2.042 |
| West Coast (PADD 5) | $6.631 | $6.562 | $6.524 | $6.500 | $6.554 | −0.170 | +2.314 |
| California | $7.360 | $7.321 | $7.222 | $7.182 | $7.271 | −0.149 | +2.488 |
| West Coast less California | $6.000 | $5.905 | $5.920 | $5.909 | $5.934 | −0.187 | +2.165 |