town traffic, and a short drive on the motorway . “Tests under laboratory conditions are often viewed critically, as the driving cycle on which they are ... the road during real driving. Within the framework of the “Real Driving Emissions” (RDE), passenger cars will in future be type tested on the road using mobile ... vehicles. This universal Worldwide Harmonized Light-Duty Vehicles Test Procedure (WLTP) driving cycle is intended to provide more realistic consumption figures