Article 3
This Regulation shall apply from 1 July 2022. Notwithstanding the first paragraph of this Article, for the determination of CO 2 emissions and fuel consumption of vehicles in groups 1, 2, 3, 4, 5, 9, 10, 4v, 5v, 9v, 10v, 11, 12, and 16 defined in Annex I, Table 1, other than ZE-HDVs, He-HDVs, dual-fuel vehicles and vehicles, the engine of which has been certified with a waste heat recovery system, according to Article 9(1) of Regulation (EU) 2017/2400, this Regulation shall apply as of 1 January 2024. Notwithstanding the first paragraph of this Article, Article 1, point (35), shall apply as of 1 January 2023.