SYSTEM COMPRISING VEHICULAR COMPRESSION IGNITION ENGINE AND AN EMISSIONS CONTROL DEVICE COMPRISING AN ELECTRICALLY HEATABLE ELEMENT

A system (2) comprising (i) a vehicular compression ignition engine (1) comprising one or more engine cylinders and one or more electronically-controlled fuel injectors therefor; (ii) an exhaust line (3) for the engine comprising: a first emissions control device (5) comprising a first honeycomb substrate, which comprises a hydrocarbon adsorbent component; and a second emissions control device (7) comprising an electrically heatable element (7a) and a catalysed second honeycomb substrate (7b), which comprises a rhodium-free platinum group metal (PGM) comprising platinum, wherein the electrically heatable element (7a) is disposed upstream from the catalysed second honeycomb substrate (7b) and wherein both the electrically heatable element (7a) and the catalysed second honeycomb substrate (7b) are disposed downstream from the first honeycomb substrate; a third emissions control device(22), which is a third honeycomb substrate comprising an ammonia-selective catalytic reduction catalyst disposed downstream from the second emissions control device (7); and one or more temperature sensors located: upstream of the electrically heatable element and/or upstream of the first honeycomb substrate; and between the electrically heatable element (7a) and the catalysed second honeycomb substrate (7b); and (iii) an engine control unit (20) comprising a central processing unit pre-programmed, when in use, to control both a heating activation state of the electrically heatable element (7a); an injection timing strategy of the one or more electronically-controlled fuel injector to increase the temperature of at least the first emissions control device following key-on/cold-starting a vehicle comprising the system, wherein the one or more temperature sensors are electrically connected to the engine control unit for feedback control in the system. Système (2) comprenant (i) un moteur à allumage par compression de véhicule (1) comprenant un ou plusieurs cylindres de moteur et un ou plusieurs injecteurs de carburant commandés électroniquement ; (ii) une ligne d'échappement (3) pour le moteur comprenant : un premier dispositif de régulation des émissions (5) comprenant un premier substrat en nid d'abeilles, qui comprend un composant adsorbant d'hydrocarbures ; et un deuxième dispositif de régulation des émissions (7) comprenant un élément pouvant être chauffé électriquement (7a) et un deuxième substrat en nid d'abeilles catalysé (7b), qui comprend un métal du groupe platine (MGP)