Igwe ọkụ dị n'ime na-ebunye nnukwu nitrogen oxides.Teknụzụ Selective Catalytic Reduction (SCR) bụ nke kachasị ike n'ime usoro niile iji belata oxides nitrogen ma nwee ike ibelata ikuku ikuku ruo ọkwa dị ala.Maka nke a, a na-agbanye mmiri mmiri ọzọ (AdBlue) n'ime ahịrị iyuzucha mgbe turbocharger na vaporises na-aga n'ụzọ na-akpali akpali.N'ebe ahụ, AdBlue na-atụgharị nitrogen oxides na ihe na-eme ka ọ bụrụ nitrogen na mmiri, ma ihe okike na nke na-adịghị egbu egbu.Ọnụ ego metered nke AdBlue na nkesa ya n'elu ihe nrụpụta na-ekpebi ịrụ ọrụ nke sistemu ahụ nke ọma.
GRVNES na-enye azịza dị iche iche emebere maka ngwa a kapịrị ọnụ.Dị ka onye na-emepụta ihe na onye na-ebubata usoro ikpochapu dum, ndị ahịa na-erite uru site na nsonaazụ nke na-atụle ihe ndị na-emepụta ihe n'ozuzu ya ma na-enye ihe ngwọta a na-eme ka a na-edozi nke ọma na-adabere na ihe ndị a chọrọ.
