Automotive emissions are the gases and particles released into the air by motor vehicles. These emissions include carbon dioxide (CO2), nitrogen oxides (NOx), hydrocarbons (HC), and particulate matter (PM). Automotive emissions have been linked to air pollution, climate change, and health problems.

The automotive industry is working to reduce emissions from cars and trucks. This includes developing new technologies such as electric vehicles, hybrid vehicles, and fuel-efficient engines. Governments are