IFTA rates › Texas
Texas 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 Texas IFTA tax rate is $0.2000/gallon for diesel and $0.2000/gallon for gasoline. Use this rate on the miles your fleet drove in Texas to calculate the Texas portion of your quarterly IFTA return.
| Fuel | Rate / gallon | Source |
|---|---|---|
| Diesel (special diesel) | $0.2000 | Official IFTA tax matrix |
| Gasoline | $0.2000 |
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 Texas IFTA diesel rate for 2nd Quarter 2026?
The Texas IFTA diesel (special diesel) tax rate for 2nd Quarter 2026 is $0.2000 per gallon, per the official IFTA tax matrix.
How do I calculate IFTA tax owed to Texas?
Take the taxable gallons your fleet burned in Texas during the quarter (miles driven in Texas divided by your fleet MPG), then multiply by the Texas rate of $0.2000 per gallon, and net it against the fuel tax you already paid at the pump in Texas.