METHOD AND SYSTEM FOR THE PROPULSION OF A VEHICLE

摘要

The present invention pertains to a method when driving a vehicle (100), wherein said vehicle (100) comprises a combustion engine (101) and an exhaust system with an after-treatment system (200), for after-treatment of an exhaust stream resulting from said combustion engine (101), wherein said vehicle (100) also comprises an exhaust braking system (215) and at least one auxiliary braking system (117) separate from the first exhaust braking system. The method comprises: on request for activation of said first auxiliary braking system (117), at least to activate said exhaust braking system (215). The invention also relates to a system and a vehicle.