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Wyoming
IFTA fuel tax rates and information for Wyoming
Current Tax Rates
| Diesel | $0.2400 per gallon |
| Gasoline | $0.2400 per gallon |
Rates effective as of 2026-04-01. Subject to quarterly change.
State Information
Abbreviation
WY
Country
United States
Region
Mountain
Timezone
Mountain
Neighboring Jurisdictions
When traveling through Wyoming, you may also need to track miles in these neighboring jurisdictions:
IFTA in Wyoming
Wyoming is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in Wyoming must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in Wyoming generates a tax credit at the rate of $0.2400/gallon for diesel. If you travel more miles in Wyoming than the fuel you purchased would cover, you'll owe additional tax. If you purchased more fuel than you used, you'll receive a credit.
Calculate your Wyoming IFTA taxes
Use our free calculator to determine your tax liability for WY.