Cost Per Mile to Operate a Truck in Wyoming (2026)
What it actually costs owner-operators to run a semi-truck in Wyoming — diesel, insurance, IFTA, and freight market notes for WY.
Diesel prices in Wyoming
The average diesel price in Wyoming is roughly $3.85/gal. For a truck running 8,000 miles/month at 6.5 MPG, that's about $4,738/month in fuel alone — or roughly $0.59/mile. Fuel is typically 30–40% of total cost per mile, so Wyoming's diesel price has a major impact on whether a load is profitable.
Trucking insurance in Wyoming
Wyoming insurance averages $9,000–$12,500/yr. Annual premiums vary widely based on CDL history, equipment age, and operating radius.
WY IFTA and fuel taxes
Wyoming IFTA fuel tax: 24¢/gal diesel. File quarterly and keep accurate trip mileage records by jurisdiction to stay compliant.
Freight market in Wyoming
Energy and minerals freight; long deadheads but premium oilfield rates.
How to lower your cost per mile in Wyoming
- Track diesel by region — refuel where the all-in price (pump + state tax) is lowest.
- Negotiate fuel surcharge into every contract using a clear formula tied to the DOE index.
- Reduce deadhead — a 20% deadhead ratio adds 25% to your effective cost per loaded mile.
- Run our Cost Per Mile Calculator monthly with real receipts, not estimates.