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Introduction

The Working Party on Pollution and Energy (GRPE) is the subsidiary body of the World Forum for Harmonization of Vehicle Regulations (WP.29) that prepares regulatory proposals on pollution and energy efficiency to WP.29.  This group of experts conducts research and analysis to develop emission and energy requirements for vehicles.

Examples of the deliveries of GRPE:
UN Regulation No. 83 is containing the techical provisions for the pollutant emissions standards up to Euro 6 for cars.
UN Regulation No. 49 is containing the techical provisions for the pollutant emissions standards up to EURO VI for trucks and busses.
UN Regulation No. 101 is containing the technical provisions for the measurement of the fuel economy and the CO2 emissions for cars.

GRPE convenes officially twice a year and entrusts informal groups with specific problems that need to be solved urgently or that require special expertise.  More than 120 experts participate at the sessions of GRPE.

The Working Party is open to the governmental experts from any member country of the United Nations, and to any regional economic integration organization set up by member countries of the United Nations, and to experts of governmental organizations. Experts of non-governmental organizations (NGOs) may participate in a consultative capacity.  Final decisions are taken by Government representatives by vote at the World Forum WP.29 level.
 
The work of GRPE experts is transparent: All agendas, working documents and reports are openly accessible on this Internet website.

Latest news

June 2018: UNECE works on global methodology to measure on-road car emissions. At its June 2018 session, members of UNECE’s World Forum for Harmonization of Vehicle Regulations have decided to develop a harmonized procedure to perform real driving emission testing on open roads.