Swiss team concludes that particulate filters should be mandatory for GDI engines

Green Car Congress
By mmillikinMay 24, 2017, 5:00 am365 pts
Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic…

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