South Dakota

Midwest (PADD 2)

$6.526

Diesel /gal · 42nd cheapest

28¢

State fuel tax · 22nd lowest

21.5%

OOS rate · 40th lowest

86,727

Inspections (24 mo)

Diesel price trend

Midwest (PADD 2) · 3 years, EIA weekly

Weekly on-highway diesel · 2023-10-09 → 2026-09-28

Fuel

Retail diesel6.526/gal

National avg: 6.526/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 rate21.5%

National avg: 17.6% · above average

Violations per inspection0.8

Out-of-service by inspection type

Driver9,409 viol · 43% OOS

Vehicle14,673 viol · 74% OOS

HazMat93 viol · 12% OOS

86,727

Inspections

31st most

69,753

Violations

14,996

OOS violations

17.3

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.