Massachusetts IFTA Fuel Tax Rate
Massachusetts's IFTA diesel rate for the 3rd quarter of 2026 is $0.2400 per gallon, unchanged from Q2 2026.
Massachusetts rate for Q3 2026
Special diesel, Q3 2026
$0.2400
per US gallon, unchanged from Q2 2026
- Diesel tax rate
- $0.2400/gal
- Surcharge
- None listed
- Quarter
- Q3 2026, from Jul 1, 2026
- Change vs last quarter
- unchanged
Worked example: the Massachusetts line of your IFTA return
Change the numbers to match your quarter. Prefilled with 10,000 total miles on 1,550 gallons, 1,200 of those miles in Massachusetts, and 100 gallons bought there.
Massachusetts vs. its neighbors, Q3 2026
| Jurisdiction | Diesel + surcharge | vs. MA |
|---|---|---|
| Connecticut | $0.4990 | +$0.2590 |
| Rhode Island | $0.4000 | +$0.1600 |
| New York | $0.3805 | +$0.1405 |
| Vermont | $0.3100 | +$0.0700 |
| Massachusetts | $0.2400 | — |
| New Hampshire | $0.2220 | −$0.0180 |
On an IFTA return, a higher rate doesn't mean you pay more overall. Fuel you buy in a high-rate state earns a bigger credit. What matters is where you burn the fuel versus where you buy it.
Massachusetts rate, last 4 quarters
Source: IFTA, Inc. Fuel Tax Rate Matrix, 3rd Quarter 2026 · Effective Jul 1, 2026 · Last verified Sep 28, 2026
IFTA, Inc. publishes the rates each member jurisdiction reports. Massachusetts's tax agency is the final word on its rate.
Estimates for planning. Confirm with your tax pro or your base jurisdiction's IFTA office before filing.