Division 5.5.5 F1
The test vehicles shall not be driven with the intention to generate a passed or failed test due to extreme driving patterns that do not represent normal conditions of use. In case of need, verification of normal driving may be based on expert judgement made by or on behalf of the granting type approval authority through cross-correlation on several signals, which may include exhaust flow rate, exhaust temperature, CO 2 , O 2 etc. in combination with vehicle speed, acceleration and GPS data and potentially further vehicle data parameters like engine speed, gear, accelerator pedal position etc.