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.
January 2015: Endorsement by GRPE of the ToR extension to the EVE informal group.
June 2014: Endorsement by GRPE of the Electric Vehicle Regulatory Reference Guide proposed by the EVE informal group and of the draft Amend 3 to GTR No. 4 by the HDH informal group on provisions for testing heavy duty vehicles with hybrid engines, introducing the Hardware In the Loop Simulation (HILS) method
March 2014: The test cycle of the Worldwide Harmonized Light-duty Test Procedures (WLTP) was by the World Forum for Harmonization of Vehicle Regulations (WP.29) at its March 2014 session.