ANNEX IVEMISSIONS DATA REQUIRED AT TYPE-APPROVAL FOR ROADWORTHINESS PURPOSES

Measuring carbon monoxide emissions at idling speeds

1.INTRODUCTION

F11.1.

This Annex sets out the procedure for measuring carbon monoxide emissions at idling speeds (normal and high) for positive ignition engines installed in vehicles of category M1 with a technically permissible maximum laden mass not exceeding 7,5 tonnes, as well as in vehicles of categories M2 and N1.

F21.2.

This Annex does not apply to dual-fuel engines and vehicles.