Indiana Mobile Sources regulations & environmental compliance analysis

Indiana Mobile Sources: What you need to know

Governing Law and Regulations

Vehicle inspection and maintenance (I/M): 326 Indiana Administrative Code (IAC) 13-1.1-1 to 13-1.1-17.1

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Applicability: 326 IAC 13-1.1-2 to 13-1.1-4

Inspection schedule: 326 IAC 13-1.1-2 and 326 IAC 13-1.1-5

Inspection network: 326 IAC 13-1.1-6

Inspection requirements: 326 IAC 13-1.1-2, 326 IAC 13-1.1-3, 326 IAC 13-1.1-7, 326 IAC 13-1.1-9, and 326 IAC 13-1.1-10

On-road testing: 326 IAC 13-1.1-12

Vehicle emissions standards:

Tampering with vehicle emissions controls: 326 IAC 13-2.1-1 to 13-2.1-5

Clean Fleets Program: 326 IAC 19-3-1 to 19-3-7

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

Gasoline volatility: 326 IAC 13-3-1 to 13-3-7

Regulatory Agency

Indiana Department of Environmental Management (IDEM) Office of Air Quality

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 Indiana. In addition, the state has established additional programs to implement optional federal programs and state-specific requirements to control mobile source emissions and make progress toward attainment of all the national ambient air quality standards.

Administration and enforcement. IDEM's Office of Air Quality is responsible for the administration and enforcement of the mobile source requirements being implemented in Indiana.

State Requirements



326 IAC 13-1.1-2 to 13-1.1-4

Motor vehicles subject to the vehicle I/M requirements maintain their motor vehicles and any air pollution control equipment on ...

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