Division 2.3 F1
The manufacturer of the base vehicle shall calculate the road load coefficients of vehicle H M and L M of a road load matrix family as set out in paragraph 5. of Sub-Annex 4 to Annex XXI and shall determine the CO 2 emission and fuel consumption in a Type 1 test of both vehicles. The manufacturer of the base vehicle shall make available a calculation tool to establish, on the basis of the parameters of completed vehicles, the final fuel consumption and CO 2 values as specified in Sub-Annex 7 to Annex XXI.