Missouri Mobile Sources regulations & environmental compliance analysis

Missouri Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M): 10 Missouri Code of State Regulations (CSR) 10-5.381

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Heavy-duty vehicle emissions standards:

Diesel vehicle idling: 10 CSR 10-2.385 and 10 CSR 10-5.385

Employer trip reduction and commuting: 42 USC 7511a(d)(1)(B)

Fuels:

Gasoline volatility: 10 CSR 10-2.330

Regulatory Agency

Missouri Department of Natural Resources (DNR) Division of Environmental Quality Air Pollution Control Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. There are many mobile source regulatory requirements implemented nationally by the U.S. Environmental Protection Agency (EPA) that impact mobile sources in Missouri. In addition, the state has established additional programs to implement optional federal programs in order to make progress toward attainment of all the national ambient air quality standards.

Administration and enforcement. The Air Pollution Control Program of DNR's Division of Environmental Quality administers and enforces the mobile source programs.

State Requirements

VEHICLE INSPECTION AND MAINTENANCE (I/M)

10 CSR 10-5.381

Missouri's I/M requirements apply to specific geographic areas.

Inspection Area and Applicability

All vehicles registered or primarily operated on public roadways in the following geographical areas must comply with motor vehicle inspection requirements, known as the Gateway Vehicle Inspection Program (GVIP):

  • City of St. Louis
  • St. Louis County
  • St. Charles County
  • Jefferson County
  • Franklin County

A vehicle is primarily operated in the area if at least 51 percent of the vehicle's annual miles are in the city of St. Louis and/or the ...


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Missouri Mobile Sources Resources

Type Title
Forms Stage II System Decommissioning Notification Form
See all Mobile Sources Resources