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.

Progress report of the informal group on environmental and propulsion performance requirements (EPPR) for L-category vehicles to the Working Party on Pollution and Energy (GRPE).

The purpose of this proposal is to modify the content of document GRPE/2013/11 (proposal for the 07 series of amendments to Regulation No. 83 by the European Commission) in order to avoid misinterpretation for practical application and implementation of the regulation.

REC informal group proposal for an amendment to document GRPE/2013/6 (the proposal for a new UN Regulation on retrofit emissions controls devices) to address permissible NO₂ levels.

Proposal to extend the mandate of the Informal Working Group on the Particle Measurement Programme.

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).

Status report on the work of the WLTP subgroup on Development of the Test Procedure, including an update on the GTR drafting process.

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.