Guidance note – Data requirements for ADR 81/03 – Energy Consumption Labelling for Light Vehicles

This guide explains what information should be included on energy consumption labels, the Register of Approved Vehicles and the Green Vehicle Guide for vehicles that comply with ADR 81/03. It is relevant for vehicle manufacturers and approval holders who need to understand the data requirements for vehicles tested under WLTP or US EPA standards, including how interim NEDC-equivalent CO₂ values may be reported.