Take a look underneath a modern gasoline-powered car and you will see an array of devices attached to the exhaust system that have only appeared in recent years. These are often collectively termed ‘exhaust after treatment devices’ or ATDs. Vehicle manufacturers have been forced to add these expensive devices in order to meet the ever-tightening emissions legislations that are increasingly in place around the world.
Explained: Gasoline Particulate Filters (GPF’s) and lubricants
