European Union - Draft Commission Implementing Regulation Amending Implementing Regulation (EU) 2021/535 as Regards the Second Rear Registration Plate Space for Trailers and the Mass of Energy Storage Systems and Correcting that Regulation

​​​Implementing Regulation (EU) 2021/535 is amended to require the mass of the energy storage system to be stated in the certificate of conformity of zero-emission vehicles in order to be taken into account for the purpose of CO2 monitoring from January 1, 2025. This draft also provides rules for the towing capability of stranded motor vehicles and foresees transitional provisions for the application of the requirement for the second rear registration plate space for trailers.​