‘gaseous pollutants’ means the following pollutants in their gaseous state emitted by an engine: carbon monoxide (CO), total hydrocarbons (HC) and oxides of nitrogen (NOx); NOx being nitric oxide (NO) and nitrogen dioxide (NO2), expressed as NO2 equivalent;
ciallaíonn “truailleáin ghásacha” na truailleáin seo a leanas ina staid ghásach a astaítear ó inneall: aonocsaíd charbóin (CO), hidreacarbóin iomlána (HC) agus ocsaídí nítrigine (NOx), arb ionann NOx agus ocsaíd nítreach (NO) agus dé-ocsaíd nítrigine (NO2), arna sloinneadh mar choibhéis NO);