Swiss team concludes that particulate filters should be mandatory for GDI engines
Green Car Congress
MAY 24, 2017
The Paul Scherrer Institute (PSI), Bern University of Applied Sciences, the University of Applied Sciences and Arts Northwestern Switzerland, several industrial partners and Empa were all involved. The other vehicles were all built between 2010 (VW Golf, Euro 4) and 2016 (Citroën C4, Euro 6b). —Norbert Heeb.
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