GRPE may wish to consider a proposal from the expert of OICA proposing to amend UN Regulation No. 49 to permit the use of hydrogen (H2) in internal combustion engines as fuel for emissions type approval of heavy-duty vehicles.
| GRPE-86-25 | UN R49 : Supportive presentation on the integration of H2 engines | |
| GRPE/2022/20 | UN R49: Proposal for a Supplement to the 07 series of amendments | |
| GRPE/2022/20 | UN R49: Proposal for a Supplement to the 07 series of amendments | |
| GRPE/2022/20 | UN R49: Proposal for a Supplement to the 07 series of amendments |
| GRPE-86-13 | UN R49 : Proposal to supersede the proposal for a new Supplement to the 07 series of amendments | |
| GRPE-86-13 | UN R49 : Proposal to supersede the proposal for a new Supplement to the 07 series of amendments | |
| GRPE-86-13 | UN R49 : Proposal to supersede the proposal for a new Supplement to the 07 series of amendments |