Nchekwa gburugburu Grvnes ewepụtala usoro nke “grvnes” SCR denitration system maka ọgwụgwọ nitrogen oxides na Internal combustion engine mgbe ọtụtụ afọ nke nyochachara nke ọma.Mgbe pụrụ iche imewe, usoro ka nwere ike na-aghọta elu-arụmọrụ arụmọrụ n'okpuru ọnọdụ nke ejighị n'aka iyuzucha okpomọkụ na gas àgwà;Akụkụ ndị dị mkpa nwere ike iguzogide ihe ndị na-adịghị ọcha na ikuku gas ma hụ na arụ ọrụ siri ike nke usoro ahụ dị ogologo oge.
