Phase 1 validation results of Indian vehicles using the low-powered vehicle cycle version 1.4 and comments concerning issues pertaining to WLTC Version 5 based on India validation 1b results.

Draft summary of the 10th session of the informal subgroup on the Development of Test Procedures (DTP) of the informal group on the Worldwide Light Vehicle Emissions and Fuel-Efficiency Test Procedures (WLTP).

Review of best and worst case scenarios for testing vehicles according to weight, tire selection, and aerodynamic component configurations.

Introductory remarks and summary review of the agenda items to be discussed during the session.

MS Excel download of the latest project schedule for development of the test procedures under WLTP.

Review of the program for the second phase of validations of the proposed WLTP test procedures.

44-page review of the WLTP assessment criteria as developed by the DTP subgroups on Lab Procedures for ICE, Particulate Measurement/Particle Numbers, Additional Pollutants, and Electric Vehicles.

Information on the testing programs to be completed no later than September 2012.

MS Excel download summary of the most relevant parameters identified by the DTP subgroup on Lab Procedures for Internal Combustion Engines (LabProcICE).

Progess report of the DTP subgroup on Lab Processes for Electric Vehicles.

Review of Annexes (1: Drive Cycles, 2: Shift Point Calculation, 3: Reference Fuels, 4: Road Load Determination, 5: Test Equipment and Calibrations, 6: Test Procedures and Conditions, 7: Calculations, 8: Electrified Vehicles, 9: System Equivalence) and for Additional Pollutants and PM/PN.

Where things stand in the development of the text of the WLTP GTR.

Review of the 10th WLTP-DTP subgroup meeting discussions and remaining open items.

WLTP GTR Drafting Coordinator draft version of the regulation, uploaded on the CIRCA website, as referenced in WLTP-DTP-10 meeting notes.

Progress report on the effort to establish uniform test procedures for light vehicle emissions and fuel consumption.

Roadmap projecting submission of the draft global technical regulation to WP.29 in March 2014.

Introductory proposals to further discussions on the use of weighting factors for various categories of light-duty vehicles.

Proposals for the further development of the light-duty vehicle test cycle.

Status report of the development of a harmonized drive cycle for the proposed GTR on light vehicle emissions.

In 2011, the WLTP-DTP group agreed to pursue an improved definition of vehicle test mass and a step-less approach to the inertia class system. This revised document describes the current view on the combined approach for vehicle test mass, inertia setting, tire and vehicle selection.

Explanation of the proposal from RDW, T&E and ICCT for an improved definition of vehicle test mass as well as the proposal from ICCT to substitute the current step-based inertia class system by a step-less approach.

Status of the work on drafing the global technical regulation on light vehicle emissions test procedures.

Project schedule for the development, validation, and finalization of the global technical regulation on light vehicle emissions testing by the end of 2012.

Presentation on the combined approach for vehicle test weight, stepless inertia and vehicle selection developed by RDW, ICCT, and T&E.

Review of the program for validation of both the new WLTP test cycle and the new WLTP test procedure towards producing a final evaluation report.

ACEA review of issues requiring resolution pursuant to the phase 2 validation of the WLTP test procedures.

Progress report of the WLTP subgroup working on the test procedures for measuring emissions of pollutants not covered by other subgroups (NO2, N2O, NH3, etc.).

Current draft annex prepared by the WLTP subgroup developing guidelines for reference fuels to be used in the light vehicle emissions test procedures.

Organizational remarks and overview of the status of work of the informal subgroup working on development of the test procedures for the WLTP going into its ninth session.

Summary of the ninth meeting of the informal subgroup of WLTP working on the development of the test procedures.

Progress report of the WLTP subgroup working on lab procedures for testing of internal combustion engines.

Progress report of the WLTP subgroup working on lab procedures for testing of electric vehicles.

Progress report of the WLTP subgroup working on test procedures for particulate measurement.

European test results from the WLTP cycle validation phase 1.b

Heinz Steven presentation as of 27 March 2012.

Excel spreadsheet download prepared by Heinz Steven.

Paper intended to explore the inclusion of vehicle families in the WLTP GTR. In principle, global technical regulations (GTR) are restricted to technical issues such as test cycles and procedures and do not include definitions of families.

Agenda for the ninth session of the informal group working on the test procedures for the worldwide light vehicle emissions test procedure.

Position of Japan concerning the further development of the International Whole Vehicle Type Approval system, including work on UN Regulations 34, 46, and 125 and possible support for GTR 6 (UN R43), WLTP GTR and UN R51.

Report from the January 17, 2012 session of the Gaseous-Fuelled Vehicles Informal Group.

Presentation on the results of the UTAC Worldwide Light Vehicle Test Cycle (WLTC) validation runs.

Japan presentation on its analysis of WLTC gear shift points.

Japan’s fourth update of the Worldwide Light Vehicle Test Cycle (WLTC) and gear shift tables.

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.)

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.

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.

(Excel spreadsheet download)

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

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).

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

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

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

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