Runtime dependent change of CO 2 emissions of light duty passenger cars A study, commissioned by the Federal Highway Research Institute

Seite 2 © 2011 DEKRA Ersteller: Erik Pellmann Measurement process “0” and “15000” km 1) Preparation Data acquisition / Vehicle inspection Test fuel (Cert. EU5/6) 3) Pre conditioning Otto: -; Diesel: 3x part 2 NEDC 2) Roller adaption 1 Warm Up: NEDC 1xpart 1 u. 1xpart 2 1xroller verification 5) Exhaust measurement 1 NEDC 23°C Bag: CO 2, CO, HC, NMHC, NOx, NO 2 PM, PN (Diesel und Otto DI) Modal: CO 2, CO, HC, NOx 4) Conditioning in Soak Area h 23 ± 2°C Battery charging 6) Conditioning in Soak Area h 23 ± 2°C Battery charging 7) Exhaust measurement 2 NEDC 23°C Bag: CO 2, CO, HC, NMHC, NOx, NO 2 PM, PN (Diesel und Otto DI) Modal: CO 2, CO, HC, NOx

Seite 3 © 2011 DEKRA Ersteller: Erik Pellmann Project status 26 cars were total measured in point “0 km” 17 cars were measured in point “15000 km” The rental of the cars are not easy because mainly of the following points: we need it in any case for the second point (15000 km)  no rental service can ensure this a clear history of repairs or services is necessary

Seite 4 © 2011 DEKRA Ersteller: Erik Pellmann Test results / Interim results * 1) Only high speed motorway driving *1)