IFTA rates › Wyoming

Wyoming IFTA Fuel Tax Rate — 2nd Quarter 2026 (Diesel and Gasoline)

2nd Quarter 2026 rates · last verified 2026-06-27 · source below

For 2nd Quarter 2026, the Wyoming IFTA tax rate is $0.2400/gallon for diesel and $0.2400/gallon for gasoline. Use this rate on the miles your fleet drove in Wyoming to calculate the Wyoming portion of your quarterly IFTA return.
Wyoming IFTA tax rates — 2nd Quarter 2026 (US dollars per gallon)
FuelRate / gallonSource
Diesel (special diesel)$0.2400Official IFTA tax matrix
Gasoline$0.2400

Some jurisdictions also levy a separate diesel surcharge (e.g. Kentucky, Indiana, Virginia) that is filed in addition to the rate above — confirm on the official matrix. Rates change every quarter.

Frequently asked questions

What is the Wyoming IFTA diesel rate for 2nd Quarter 2026?

The Wyoming IFTA diesel (special diesel) tax rate for 2nd Quarter 2026 is $0.2400 per gallon, per the official IFTA tax matrix.

How do I calculate IFTA tax owed to Wyoming?

Take the taxable gallons your fleet burned in Wyoming during the quarter (miles driven in Wyoming divided by your fleet MPG), then multiply by the Wyoming rate of $0.2400 per gallon, and net it against the fuel tax you already paid at the pump in Wyoming.