This is done by exposing these fumes to chemicals and metals inside the converter to prompt chemical reactions that transform otherwise toxic pollutants into relatively harmless ones. It helps lower the number of toxic pollutants emitted into the air by converting hazardous combustion gases into less harmful substances, like water vapor and carbon dioxide. What Is a Catalytic Converter?Īs mentioned above, a catalytic converter is an essential part of a vehicle's exhaust system. Among these parts is a catalytic converter, which helped many car manufacturers meet the standards set by the NationalĪ catalytic converter is an important part of the exhaust system and by now you're probably wondering what does a catalytic converter do? Keep reading to find out more about the role it plays in your car. The modern exhaust system on vehicles features a range of parts that helps control emissions and make them more environmentally friendly. Tested to evaluate the output of emissions. Each state has regulations that adhere to federal standards, with many states requiring that all registered cars be The National Emissions Standards Act, an amendment made in 1965 to the Clean Air Act, set the first federal vehicle emissions standards.

Emissions contribute to air pollution, which is why the Clean Air Act was passed in the United States in 1963 to help reduce the amount of pollution produced by a range of industries. Cars generate a great deal of fumes and gases, also known as emissions, when they’re running.

Catalytic converter