Division 3.6.3

Vehicles that are grouped in a family as defined in point 3.6.1 may be approved with individual CO₂ emission and fuel consumption data for each of the family members. The technical service shall select for testing the two vehicles, which the service considers to have the highest and the lowest CO₂ emissions respectively. The measurements shall be performed as described in Annex XII. If the manufacturer’s data for these two vehicles falls within the tolerance limits described in section 5.5 of UN/ECE Regulation No 101, the CO₂ emissions declared by the manufacturer for all members of the vehicle family can be used as type-approval values. If the manufacturer’s data do not fall within the tolerance limits, the results according to the method described in section 5.5 of UN/ECE Regulation No 101 shall be used as type-approval values and the technical service shall select an appropriate number of other family members for additional tests.