| abstract |
The present invention relates to an exhaust system for an internal combustion engine, comprising one or more of the exhaust gas streams contained in an exhaust stream of an automobile including a driveline including a combustion engine capable of being connected to a transmission via a clutch device and an exhaust system arranged to remove the exhaust stream from the combustion engine / RTI > to control the concentration / fraction C Ex / X Ex of one or more substances T Ex contained in the exhaust stream, the first on the basis of the parameter P 1 in order to enable or disable the inertia running (coasting) includes a step of controlling the drive system, at least one of said one or more first parameters P 1 is first in the exhaust gas stream 1 concentration / fraction C 1 / X 1 and the reference concentration / fraction C Ref / X Ref . The invention also relates to computer programs, computer program products, systems and automobiles comprising such systems. |