| GFV-45-02 | Amendments to the proposal for a new regulation on the approval of heavy-duty dual fuel engine retrofit systems | |
| GFV-45-03 | Amendments to the proposal for a new regulation on the approval of heavy-duty dual fuel engine retrofit systems (track) | |
| GFV-45-04 | Status of the new regulation on heavy-duty dual-fuel engine retrofit systems | |
| GFV-43-06 | Status the the heavy-duty dual fuel regulation | |
| GRPE/2016/12 | Proposal for a new Regulation on uniform provisions concerning the approval of Heavy Duty Dual-Fuel Engine Retrofit Systems | |
| GRPE-73-04 | Proposal for amendments to the draft new regulation on heavy-duty dual-fuel engine retrofit systems | |
| GFV-45-05 | Accomplishments of the GFV informal group | |
| GFV-45-02 | Amendments to the proposal for a new regulation on the approval of heavy-duty dual fuel engine retrofit systems |