Minnesota diesel tax rate is 28.5¢ per gallon for 2026. Calculate your IFTA fuel tax for Minnesota routes and compare neighboring state rates.
Minnesota at 28.5¢/gal is close to the national average. Minneapolis-Saint Paul is a top-15 US freight market and the commercial hub of the Upper Midwest. The Twin Cities' distribution sector serves a broad regional footprint including the Dakotas, Montana, and Upper Michigan. The Port of Duluth-Superior on Lake Superior is the largest freshwater port in the world by volume.
I-35 (Kansas City–Minneapolis–Duluth), I-94 (Milwaukee–Minneapolis–Fargo), I-90 (South Dakota–Albert Lea–La Crosse WI), I-35W/I-35E (Minneapolis-Saint Paul metro splits), US-2 (Grand Forks–Duluth, northern corridor)
Neighboring Wisconsin (32.9¢), Iowa (32.5¢), and North Dakota (23.0¢) are the key border rate comparisons. North Dakota to the west is cheaper, so westbound runs on I-94 toward Fargo may benefit from fueling in ND before returning. South Dakota (28.0¢) to the southwest is nearly identical. Minnesota's winters are severe — reliable equipment and cold-start diesel additives are essential from November through March.
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