4.9.1. Proposal for Supplement 6 to the 05 series of amendments to Regulation No. 49 (Compression ignition and positive ignition (LPG and CNG) engines)
UN R49: Proposal for a Supplement 6 to the 05 series of amendments
Reference Number: WP.29/2013/111
Proposal as approved by the GRPE to introduce type-approval provisions for vehicles equipped with LNG propulsion systems and to extend the pollutant emission requirements of the regulation to dual-fuel heavy duty engines and vehicles.