Where does this catalytic converter laws by state data come from?

Name: Catalytic Converter Laws by State
Creator: Rankodex

Rankodex compiles it from World Population Review and the primary sources it cites: Catalytic Converter Theft: Everything You Need To Know - Chapel Hilltire; Md. Code Regs. 11.14.06.02 - Catalytic Converter - Cornell Law School; Emissions Inspection and Maintenance Requirements for Motor Vehicles - Department of Environmental Conservation; Louisiana Smog Check / Emissions Test - Emissions.

State rankings

Catalytic Converter Laws by State

Catalytic Converter Laws by State: compare 51 US states on 3 metrics.

Law51 states · 3 metricsUpdated Jun 26, 2026Original page

11 sources

Catalytic Converter Requirement

1 value across 51 entries

Catalytic Converter Standard

2 values across 51 entries

Missing Catalytic Converter Consequence

11 values across 51 entries

Data

Click a column to sort.

51 states


Alabama	Required	Federal EPA standard	Enforced under federal law
Alaska	Required	Federal EPA standard	Enforced under federal law
Arizona	Required	Federal EPA standard	Enforced under federal law
Arkansas	Required	Federal EPA standard	Enforced under federal law
California	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Colorado	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Connecticut	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Delaware	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
District of Columbia	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Florida	Required	Federal EPA standard	Enforced under federal law
Georgia	Required	Federal EPA standard	Enforced under federal law
Hawaii	Required	Federal EPA standard	Enforced under federal law
Idaho	Required	Federal EPA standard	Enforced under federal law
Illinois	Required	Federal EPA standard	Enforced under federal law
Indiana	Required	Federal EPA standard	Enforced under federal law
Iowa	Required	Federal EPA standard	Enforced under federal law
Kansas	Required	Federal EPA standard	Enforced under federal law
Kentucky	Required	Federal EPA standard	Enforced under federal law
Louisiana	Required	Federal EPA standard	Enforced under federal law
Maine	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Maryland	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Massachusetts	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Michigan	Required	Federal EPA standard	Federal compliance; no statewide inspection
Minnesota	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Mississippi	Required	Federal EPA standard	Federal anti-tampering applies
Missouri	Required	Federal EPA standard	Inspection failure if emissions required
Montana	Required	Federal EPA standard	Federal compliance only
Nebraska	Required	Federal EPA standard	Federal compliance
Nevada	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
New Hampshire	Required	Federal EPA standard	Safety/emissions inspection failure
New Jersey	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
New Mexico	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
New York	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
North Carolina	Required	Federal EPA standard	Inspection failure + felony possession laws for removed converters (NC statute)
North Dakota	Required	Federal EPA standard	Enforced under federal law
Ohio	Required	Federal EPA standard	Inspection failure in testing areas
Oklahoma	Required	Federal EPA standard	Enforced under federal law
Oregon	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Pennsylvania	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Rhode Island	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
South Carolina	Required	Federal EPA standard	Enforced under federal law
South Dakota	Required	Federal EPA standard	Enforced under federal law
Tennessee	Required	Federal EPA standard	Enforced under federal law
Texas	Required	Federal EPA standard	Inspection failure required for registration
Utah	Required	Federal EPA standard	Enforced under federal law
Vermont	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Virginia	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
Washington	Required	California Low-Emission Vehicle standards	Inspection failure required for registration
West Virginia	Required	Federal EPA standard	Inspection failure + federal enforcement
Wisconsin	Required	Federal EPA standard	Inspection failure in testing areas
Wyoming	Required	Federal EPA standard	Enforced under federal law

Quick answers

Where does this catalytic converter laws by state data come from?: Rankodex compiles it from World Population Review and the primary sources it cites: Catalytic Converter Theft: Everything You Need To Know - Chapel Hilltire; Md. Code Regs. 11.14.06.02 - Catalytic Converter - Cornell Law School; Emissions Inspection and Maintenance Requirements for Motor Vehicles - Department of Environmental Conservation; Louisiana Smog Check / Emissions Test - Emissions.