| GFV-41-02 | GFV amendment to UN Regulation No. 115 concerning LPG & CNG retrofit | |
| GRPE/2015/13 | Proposal for a new Mutual Resolution (M.R.2) containing Vehicle Powertrain Definitions | |
| GRPE-71-03 | Proposal for an amendment to UN Regulation No. 115 | |
| GFV-40-03 | GFV response to VPSD comments on GFV 38-02 |