What is the primary function of the catalytic converter in a vehicle?

The primary function of the catalytic converter in a vehicle is to convert harmful gases produced during combustion into less harmful emissions. This process primarily involves the chemical reactions that transform pollutants such as carbon monoxide, hydrocarbons, and nitrogen oxides into harmless components such as carbon dioxide and nitrogen. The catalytic converter plays a crucial role in reducing the environmental impact of vehicle emissions and is essential for meeting regulatory standards for air quality.

While increasing fuel efficiency, enhancing engine power, and reducing engine noise are important aspects of vehicle performance, they are not the main purpose of the catalytic converter. In fact, the design of the catalytic converter is focused on the treatment of exhaust gases, making option B the most accurate representation of its primary function.