Drive trains  
Wind tunnel

In-depth work on the aerodynamics which was measured in the 1:1 wind canal of SF Emmen led to a measured reduction in aerodynamic drag by 34 % (cd 0.246 instead of 0.371). It was possible to reduce the rolling resistance by 30 % by using low-rolling-resistance tyres and it was possible to make the vehicle 150 kg lighter by the use of various lightweight construction measures. The completely new engine has a far higher efficiency in the NEDC test cycle and in day-to-day use, primarily in the part-load range, owing to the Comprex pressure-wave supercharger.
Smile-Wind tunnel Smile-Wind tunnel
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