This proposal was prepared by the experts from the informal Heavy-Duty Dual Fuel (HDDF) Task Force within the GFV informal working group in order to enable the type approval of new EURO VI heavy duty dual-fuel engines and vehicles.

The European Commission has proposed amending GTR No. 5 concerning on-board diagnostic systems. Japan has expressed concerns regarding OBD disablement conditions under section 5.2.2. This document from the former chair of the OBD GTR working group proposes revisions to that section.

Status report of the informal group developing a Mobile Air-Conditioning emissions Test Procedure.

Progress report of the informal group working on heavy-duty dual-fuel vehicle provisions in UN Regulations 49, 85, and 115.

Document Description

Document Description

Overview of proposals for amending the plans for establishing the Worldwide harmonized Light vehicle emissions Test Procedure (WLTP) in light of progress to date.

Excel spreadsheet showing the WLTP roadmap, including the current and proposed WLTP organization, as well as tentative meeting schedule.

This is a revised version of the proposal by the Gaseous Fueled Vehicles (GFV) informal group to redefine the class of bi-fuel vehicles under UN R83 in order to permit the simultaneous use of gas and petrol while in gas mode.

This proposal was prepared by the experts from the International Organization of Motor Vehicle Manufacturers (OICA) in order to incorporate the content of Regulation (EU) 566/2011 into UN Regulation No. 83.06.

This document presents the position of OICA working groups on
WLTP mode construction. The proposal covers mode construction for conventional vehicles with options to be tested in Validation 2, including for electrified vehicles.

Presentation of Korean results using the mobile air-conditioning test procedures proposed in document GRPE-61-21.

Revised proposal to support development of the WLTP test procedures.

Summary of the 8th meeting of the informal group developing the test procedures for the WLTP GTR.

Progress report of the WLTP-DTP subgroup on Lab Process-Internal Combustion Engines.

Comments from the Engine Manufacturers Association on the draft of the proposed new regulation on retrofit emissions control devices.

A flowchart depicting the process for coordinating work among the WLTP test procedures (DTP) and drive cycle (DHC) subgroups and the “drafting coordinator” in the preparation of the light vehicle emissions GTR.

Progress report of the WLTP-DTP subgroup on Lab Process-Electric Vehicles (E-LabProc).

(Excel spreadsheet download)

Presentation to the Working Group on Pollution and Energy (GRPE) on the status of work on a new regulation concerning Retrofit Emissions Control (REC) devices.

Overview of the international testing program intended to assess and validate the proposed WLTP procedures.

This is the summary of the 8th session of the WLTP subgroup on development of the test procedures presented to the Working Party on Pollution and Energy. (This document is identical to the DTP meeting wrap-up document WLTP-DTP-08-05. Only the reference number has been changed.)

Notification that the Government of Japan has been considering threshold values for the Global Technical Regulation on On-Board Diagnostic Systems (GTR No. 5) necessary to its adoption into its national regulations.