Written overview of the status of work on heavy-duty hybrid vehicle emissions standards (complements presentation by the group to the Working Party on Pollution and Energy. See document GRPE-63-19.)

Presentation to the Working Party on Pollution and Energy (GRPE), covering the work on emissions testing standards for heavy-duty hybrid (HDH) vehicles, including status of research programs, roadmap, report on 7th and 8th HDH meetings, open items, and plans for next meetings. (See also document GRPE-63-18 for written status report.)

Presentation on the European Commission’s intentions for reducing CO2 emissions from heavy-duty vehicles.

Presentation from the International Council on Clean Technology reviewing various test methods in use for heavy-duty hybrids and evaluating opportunities for harmonization.

Presentation on US EPA hybrid-engine powerpack testing, future challenges, and comparison with GTR program.

Review of the current status of work and forward plans.

Presentation of a proposal for a revised ‘Worldwide heavy-duty hybrid test cycle’.

The Vienna and Graz Technical Universities have conducted research and offered recommendations for the heavy-duty hybrid emissions regulation. Japan comments on the TU-Wien and TU-Graz proposals.

TU-Wien presentation on its work with IFA on the assessment of HILS methodology and suggestions for the GTR validation test program.

Presentation on testing of heavy-duty hybrid vehicles on a chassis dynamometer.

Progress report and overview of the effort to develop a heavy-duty hybrid vehicle emissions test procedure based on hardware-in-the-loop simulations.

Progress report of the working group developing the emissions and CO2 test procedure for heavy-duty hybrid vehicles.

Comments and recommendations concerning the ‘extended HILS’ approach and application of the current worldwide heavy-duty vehicle emissions test cycle to hybrid vehicles.

Investigation into various methods in use for evaluating heavy-duty hybrid emissions and CO2 performance.

Report of the informal group session held in Tokyo during March 2012. This group is working to add provisions for heavy-duty hybrid vehicles to GTR No. 4 (WHDC).

Assessment of hardware-in-the-loop simulation (HILS) methodologies and proposals for enhancements (e.g. more topologies, component library, temperature signals to include cold start tests).

Work package 3: Extension of hardware-in-the-loop simulation (HILS) to non-electrical hybrids currently not
covered by Kokujikan No. 281.

Summary report (identical to document HDH-10-03) on the assessment of the hardware-in-the-loop simulation (HILS) methodology for heavy-duty hybrid emissions proposed by Japan.

Overview of TU Graz and TNO evaluation of hardware-in-the-loop simulation methodologies covering the test cycle and vehicle related parameters, harmonisation with CO2 test methods, inclusion of power take-off, and worldwide harmonized vehicle cycle weighting factors.

Proposal from the research institutions involved in assessing and adapting hardware-in-the-loop simulation (HILS) methodologies to the evaluation of heavy-duty hybrids for the anticipated second phase work to produce a HILS tool for use in GTR 4 hybrid vehicle provisions.

Progress report on the effort to establish provisions for heavy-duty hybrid vehicles in GTR No. 4, prepared for presentation to the June session of the Working Party on Pollution and Energy (GRPE).

Progress report on the effort to introduce heavy-duty hybrid emissions and related performance requirements into GTR No. 4.

Presentation on the status of work on the introduction of provisions for heavy-duty hybrid vehicle emissions and power consumption testing into GTR No. 4

Invitation to register for the Heavy Duty Hybrids emissions test procedure informal working group session scheduled for 10-12 October in Ottawa, Canada.

Visits to Environment Canada (EC) and the National Research Council of Canada (NRC)
Facilities in conjunction with the Heavy Duty Hybrids informal group session 11 in Ottawa, Canada.

Status of the work towards developing a methodology for certifying heavy-duty hybrids based on “hardware in the loop simulation” (HILS).

JASIC presentation on its evaluation of the Worldwide Heavy Duty Hybrid Cycle as proposed by Prof. Hausberger.

OICA contributions to the development of the heavy-duty hybrids amendment to GTR No. 4 (Worldwide Heavy-Duty Vehicle Emissions Certification Procedure).

Presentation on Environment Canada and US EPA joint program.

Status of the work towards developing a methodology for certifying heavy-duty hybrids based on “hardware in the loop simulation” (HILS).

Test Procedure for Fuel Consumption Rate and Exhaust Emissions of Heavy-Duty Hybrid Electric Vehicles using Hardware-in-the-Loop Simulator System (Kokujikan No. 281 of March 16, 2007).