Governing Law and Regulations
Illinois Environmental Protection Agency (IEPA) Bureau of Air Division of Mobile Source Programs
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 Illinois. In addition, the state has established several standards and implemented non-regulatory programs in selected areas to make progress toward attainment of all the national ambient air quality standards.
• Administration and enforcement. The IEPA is responsible for the administration and enforcement of the mobile source requirements being implemented in Illinois.
35 IAC 276.101 to 276.1002 and 35 IAC 240.151 to 240.193
Certain areas in Illinois are subject to the vehicle I/M program.
The vehicle I/M program applies to most 1996 and newer gasoline-powered passenger vehicles and light-duty trucks, including vans and sport utility vehicles, after they are 4 ...