Generating brake dust to set automotive safety and emissions standards


The VW Jetta Hybrid on the chassis dynamometer in Empa’s Automotive Powertrains Technologies Laboratory had a couple of years of duty as a fleet vehicle. Strapped into the test chamber, it has been part of a new research purpose since July 2020: The goal is to generate brake dust, strictly following the standardized WLTP driving cycle, which is the cycle that is also used to determine exhaust emissions.





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