South Dakota

Midwest (PADD 2)

$6.480

Diesel /gal · 37th cheapest

28¢

State fuel tax · 22nd lowest

21.7%

OOS rate · 40th lowest

86,551

Inspections (24 mo)

Diesel price trend

Midwest (PADD 2) · 3 years, EIA weekly

Weekly on-highway diesel · 2023-11-06 → 2026-10-26

Fuel

Retail diesel6.48/gal

National avg: 6.48/gal · at or below average

Tax at the pump52.4¢/gal

■ State 28¢ ■ Federal 24.4¢ · per gallon

Roadside safety

FMCSA inspections in South Dakota, last 24 months

Out-of-service rate21.7%

National avg: 17.7% · above average

Violations per inspection0.81

Out-of-service by inspection type

Driver10,410 viol · 40% OOS

Vehicle15,982 viol · 69% OOS

HazMat89 viol · 13% OOS

86,551

Inspections

32nd most

70,380

Violations

15,265

OOS violations

17.6

Viol / 100 insp

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Diesel: U.S. Energy Information Administration (weekly, by region — states inherit their PADD region price). Fuel tax: FHWA Highway Statistics MF-121T. Inspections & out-of-service: FMCSA (last 24 months). Estimates for guidance, not official figures. Not affiliated with FMCSA.