WY · fuel prices · week of Nov 9, 2026
Wyoming diesel and gas prices
The average pump price of diesel and gasoline in Wyoming, against the country and the Rocky Mountain region, and what it costs a truck per mile.
$6.095/gal diesel
−3.8% from last week
- Regular
- $4.000
- Premium
- $4.669
- Diesel vs US
- −0.5%
- Diesel, 1 year
- +65.1%
Wyoming prices by fuel
| Fuel | Per gallon | 1 wk | 1 yr | Basis |
|---|---|---|---|---|
| Diesel | $6.095 | −23.9¢ | +65.1% | Estimate |
| Regular gasoline | $4.000 | −22.1¢ | +32.3% | Estimate |
| Midgrade gasoline | $4.357 | −18.6¢ | +33.1% | Estimate |
| Premium gasoline | $4.669 | −16.4¢ | +29.9% | Estimate |
EIA does not survey Wyoming on its own. These are estimates: the Rocky Mountain regional survey with Wyoming's fuel taxes in place of the region's average tax.
Wyoming · monthly · dollars per gallon
Wyoming fuel price history
DieselRegular gasoline
Diesel in Wyoming averaged $6.095 a gallon in the week of Nov 9, 2026, −0.5% against the US average of $6.127 and against $6.206 across the Rocky Mountain region. That ranks Wyoming 26 of 49 for diesel, most expensive first.
Estimated history applies today's tax rates to past regional prices.
Fuel taxes in Wyoming
| Per gallon | State | Federal | Total |
|---|---|---|---|
| Diesel | $0.240 | $0.244 | $0.484 |
| Gasoline | $0.240 | $0.184 | $0.424 |
State excise tax plus other state taxes and fees. EIA, July 2026.
Diesel cost per mile in Wyoming
At $6.095 a gallon, with fuel's share of the all-in rate for loads leaving Wyoming. Wyoming freight rates →
| Truck type | Fuel per mile | Per 1,000 miles |
|---|---|---|
| VAN53' dry van | $0.90 | $896 |
| REEF53' refrigerated | $1.00 | $999 |
| FLAT48' flatbed | $0.95 | $952 |
| STEPStep deck | $0.98 | $983 |
| PWRPower only | $0.90 | $896 |
| HOTHotshot | $0.61 | $609 |
| BOX26' box truck | $0.68 | $677 |
| SPRTSprinter van | $0.38 | $381 |
Fuel prices by city in Wyoming
- Cheyenne65,704
- Casper58,823
- Gillette33,846
- Laramie32,957
- Rock Springs22,967
- Sheridan19,813
- Evanston11,691
- Green River11,474
- Riverton10,953
- Jackson10,680
- Cody10,391
- Rawlins7,952
- Lander7,451
- Powell6,551
- Douglas6,442
- Torrington6,211
- Worland4,765
- Buffalo4,655
- Mills4,584
- Wheatland3,475
- Newcastle3,354
- Bar Nunn3,019
- Evansville2,837
- Thermopolis2,748