Emissions control system definition
Emissions control system means the pollution control components, connections, and associated mechanisms on an engine at the time its engine family is certified, including the emission control label.
Emissions control system means any element of either a motor vehicle’s air pollution control system or another mechanism of a motor vehicle that affects the vehicle's release of air pollutants into the atmosphere;
Emissions control system means the pollution control components on an engine at the time its engine family is certified, including, but not limited to, the emission control label.