| GRPE-87-24 | Emissions Anti-tampering: Proposal of terms of reference for a new PTI task force | |
| GRPE-87-36/Rev.1 | PTI: PN measurement in Belgium (First Results July - October 2022) | |
| GRPE-87-36/Rev.1 | PTI: PN measurement in Belgium (First Results July - October 2022) | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE-87-57 | PN measurement for Diesel | |
| GRPE/2023/9 | RE6: Proposal for amendment | |
| GRPE/2023/9 | RE6: Proposal for amendment | |
| GRPE/2023/9 | RE6: Proposal for amendment |
GRPE may wish to consider a proposal from the IWG on Periodic Technical Inspection (PTI) to amend Consolidated Resolution No. 6 (R.E.6) to add the possibility to perform a particle number (PN) test on diesel cars of categories M and N during PTI tests.