supplementing Regulation (EU) 2019/1242 of the European Parliament and of the Council by setting out the guiding principles and criteria for defining the procedures for the verification of the CO2 emissions and fuel consumption values of heavy-duty vehicles in-service (in-service verification)

This procedure sets out the rules for checking the CO2 emissions and fuel consumption of heavy-duty vehicles once they are in use. It aims to ensure these vehicles meet the standards set by EU law. This affects manufacturers of heavy-duty vehicles and potentially fleet operators. It establishes a clear process for verifying that vehicles comply with their declared emissions and consumption figures.