UNECE “background note” providing information on developments in air pollution, the results of recent studies on the harmful effects of diesel exhausts, policy developments in the reduction of pollutant emissions to address health and environmental concerns.

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.

Document GRPE/2013/7 was prepared to modify 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. Per agreement with GRPE, this document proposes amendments to the 05 series based on the latest GFV work.

Proposal to introduce an amendment to documents GRPE/2013/8 and GRPE-66-10 that would permit the manufacturer to request a temporary disablement of OBD monitors at low ambient temperature in the same manner as permitted at high ambient temperatures (above 35°C).

Revised proposal to introduce an amendment to documents GRPE/2013/8 and GRPE-66-10 that would permit the manufacturer to request a temporary disablement of OBD monitors at low ambient temperature in the same manner as permitted at high ambient temperatures (above 35°C).

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.