Here’s How an Aftertreatment System Works If you own a diesel vehicle, you may have heard about aftertreatment systems. These systems are becoming increasingly important in the automotive industry because they reduce harmful emissions. But what are these aftertreatment systems, and how do they work? Here, we’ll break down the basics of aftertreatment systems in an easy-to-understand manner so you can grasp all you need to know about these essential systems. Initial Phase: Exhaust Gas Entr...