|4. (a)||Heavy Duty Hybrids (HDH)||
GRPE/2014/11 | Proposal for draft Amendment 3 to Global Technical Regulation No. 4 Text prepared by the GRPE working group on HDH to add the test procedure on heavy duty hybrids. The text has been prepared as a consolidated version of the GTR.
GRPE-69-10 | Proposal for draft Amendment 3 to Global Technical Regulation No. 4 Document GRPE/2014/11 was prepared by the GRPE informal working group on heavy duty hybrids (HDH) to add the test procedure on heavy-duty hybrids to GTR No. 4. This informal document revises and supplements GRPE/2014/11 in order to align GTR No. 4 and GTR No. 11 (NRMM) in accordance with the latest work of the HDH group. The renumbering of equations, tables and figures, the corresponding references, and the symbols list in paragraph 3.2 has not been completed in this document. This will be done during the final editing of GRPE/2014/11.
GRPE-69-11 | Draft report on the development of Amendment 3 to GTR No. 4 Draft report on the development of the amendment to introduce provisions for heavy-duty hybrid powertrains and vehicles into GTR No. 4 on heavy-duty vehicle emissions and fuel consumption.
GRPE-69-12 | Status report of the HDH informal working group
GRPE-69-22 | Adopted amendments to informal documents GRPE-69-10 and GRPE-69-11
GRPE/69/Add.2 | Addendum 2 to the Report of the Working Party on Pollution and Energy (GRPE) on its sixty-ninth session Adopted technical report on the development of the draft Amendment 3 to Global Technical Regulation (GTR) No. 4.
|6. (b)||UN GTR No. 11 (engines)|
|Reference No.||Description (click for more information)|
Proposal for draft Amendment 3 to Global Technical Regulation No. 4
|21 Mar 2014||Working Party||Formal Documents||Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Non-Road Mobile Machinery Emissions NRMM Emissions Test procedure for compression-ignition engines to be installed in agricultural and forestry tractors and in non-road mobile machinery with regard to the emissions of pollutants by the engine||Text prepared by the GRPE working group on HDH to add the test procedure on heavy duty hybrids. The text has been prepared as a consolidated version of the GTR.||GRPE/2014/0011|