| EPPR-13-10 | Working draft technical report on the development of the GTR on motorcycle crankcase and evaporative emissions | |
| GRPE/2016/2 | Proposal for a new global technical regulation on the measurement procedure for two- or three-wheeled motor vehicles equipped with a combustion engine with regard to the crankcase and evaporative emissions | |
| EPPR-13-08 | Working draft GTR on motorcycle crankcase and evaporative emissions (test types III & IV) v.9.1 |