CMU study finds secondary organic aerosol production from PFI and GDI vehicles has been “substantially” reduced by tightening NMOG standards
Green Car Congress
JANUARY 28, 2018
Further, their data suggest that this trend will continue with the implementation of the new federal Tier 3 and California LEV III standards. Further, they found no difference in SOA production between PFI and GDI vehicles certified to the same standard.
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