The proper functioning of the exhaust after-treatment system, specifically in the case of NOx, is essential for complying with the established limits for pollutant emissions.
Tá feidhmiú ceart an chórais iarchóireála sceite, go sonrach i gcás, NOx riachtanach leis na teorainneacha bunaithe d'astaíochtaí truailleán a chomhlíonadh.