Kentucky IFTA fuel tax rates — 3Q2026
| Fuel | Rate (USD/gal) | Surcharge |
|---|---|---|
| Gasoline | $0.2500 | $0.0450 |
| Diesel | $0.2200 | $0.1050 |
| Gasohol | $0.2500 | $0.0450 |
| Propane | $0.2500 | $0.0450 |
| LNG | $0.2200 | $0.1050 |
| CNG | $0.2200 | $0.1050 |
| Ethanol | $0.2500 | $0.0450 |
| Methanol | $0.2500 | $0.0450 |
| E-85 | $0.2500 | $0.0450 |
| M-85 | $0.2500 | $0.0450 |
| A55 | $0.2200 | $0.1050 |
| Biodiesel | $0.2200 | $0.1050 |
Kentucky charges a surcharge on all taxable gallons used in the jurisdiction, with no credit for fuel purchased there.
Estimate what you owe: IFTA calculator.
Source: IFTA, Inc. 3Q2026 tax matrix, retrieved 2026-10-27.