Wyoming

Rocky Mountain (PADD 4)

$6.407

Diesel /gal · 29th cheapest

24¢

State fuel tax · 15th lowest

26.5%

OOS rate · 47th lowest

38,884

Inspections (24 mo)

Diesel price trend

Rocky Mountain (PADD 4) · 3 years, EIA weekly

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

Fuel

Retail diesel6.407/gal

National avg: 6.407/gal · at or below average

Tax at the pump48.4¢/gal

■ State 24¢ ■ Federal 24.4¢ · per gallon

Roadside safety

FMCSA inspections in Wyoming, last 24 months

Out-of-service rate26.5%

National avg: 17.6% · above average

Violations per inspection2.01

Out-of-service by inspection type

Driver26,643 viol · 23% OOS

Vehicle50,758 viol · 29% OOS

HazMat618 viol · 32% OOS

38,884

Inspections

42nd most

78,231

Violations

20,738

OOS violations

53.3

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.