II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) in their propulsion system
II. Des véhicules munis d &apos; organes spéciaux d &apos; un type homologué pour l &apos; alimentation du moteur au gaz naturel comprimé (GNC) en ce qui concerne l &apos; installation de ces organes