Text prepared by the Chair of the Gaseous Fuelled Vehicles informal group–Heavy Duty Dual Fuel task force to introduce modifications to the 05 series of amendments of UN R49 (Euro V) in order to extend the pollutant emission requirements to dual-fuel heavy duty engines and vehicles.

Text prepared by the Euro VI Expert Working Group of the European Commission to revise the 06 series of amendments to UN R49 in order to address situations that were not covered by the latest series of amendments and to clarify the text.