153. The representative of the European Union, as technical sponsor for these activities, informed WP.29 that GRPE had endorsed during its last session in May 2019, Amendment 4 to UN GTR No. 2 along with its technical report. IWG on Environmental and Propulsion Performance Requirements of L-category vehicles (EPPR), that is in charge of developing UN GTR No. 2, decided to initiate further work on Test Type 5 on durability under the existing mandate.