Governing Law and Regulations
Rhode Island Department of Environmental Management (DEM) Bureau of Environmental Protection Office of Air Resources
Rhode Island Department of Motor Vehicles (DMV)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Many mobile source regulatory programs are implemented at the federal level and are having a positive effect on air quality in Rhode Island. In addition, the state has implemented vehicle inspection and maintenance (I/M), adopted stringent California vehicle standards, and promulgated diesel engine idling restrictions.
• Administration and enforcement. DEM's Office of Air Resources, in conjunction with the DMV, administers and enforces the mobile source programs in Rhode Island.
RI Rule 12-031-034
Rhode Island requires safety and emissions inspections for all vehicles registered in the state.
Subject Vehicles and Inspection Area
Every car and light truck, including diesel vehicles, registered in Rhode Island weighing 8,500 pounds (lb) or less gross vehicle weight rating (GVWR) requires an inspection consisting of both a test for safety and for emissions.
Vehicles over 8,500 lb GVWR ...