Updated July 28, 2026 - AAA daily average
Diesel Cost per Gallon in Massachusetts (2026)
$5.44/GAL
+0.31 vs US average ($5.13)Rank #39 of 50 statesPADD 1
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Massachusetts state diesel tax24.0c/gal
Total tax48.4c/gal
Tax as % of price9%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
CALCULATE YOUR FUEL COST IN MASSACHUSETTS
Use our trip calculator prefilled at $5.44/gal for Massachusetts.
Sources: State diesel average from AAA Gas Prices (gasprices.aaa.com), July 28, 2026; US average and PADD context from the EIA Weekly On-Highway Diesel Fuel Survey (July 20, 2026); state tax from the Federation of Tax Administrators diesel tax table. State prices are representative averages; actual pump prices vary by retailer and location.