| WP.29/AC.3/29 | Proposal for the development of either amendments to gtr No. 4 adding a new emission test procedure for heavy-duty hybrid vehicles (HD-HV’S) or a new gtr | |
| WP.29/2014/85 | Proposal for the Technical Report on the development of Amendment 3 to Global Technical Regulation No. 4 | |
| WP.29/2014/84 | Proposal for draft Amendment 3 to Global Technical Regulation No. 4 | |
| WP.29/2014/85 | Proposal for the Technical Report on the development of Amendment 3 to Global Technical Regulation No. 4 | |
| WP.29/2014/84 | Proposal for draft Amendment 3 to Global Technical Regulation No. 4 | |
| WP.29/2014/85 | Proposal for the Technical Report on the development of Amendment 3 to Global Technical Regulation No. 4 |