This review focuses on carbonaceous PM and gaseous precursors emitted by the road traffic, including Ultra Fine Particles (UFP) and Polycyclic Aromatic Hydrocarbons (PAH) that are clearly linked to the evolution and formation of carbonaceous species. Clearly, the solid fraction of PM has been reduced during the last two decades with the implementation of after-treatment systems abating about 99% of primary solid particle mass concentrations. However, the role of Brown Carbon and its radiative effect on climate and the generation of ultrafine particles by nucleation of organic vapor during the dilution of the exhaust remain unclear phenomena and will need further investigations. Also, for the European context, the increasing role of gasoline vehicles on carbonaceous particle emissions and formation is also highlighted particularly through the chemical and thermodynamic evolution of organic gases and their propensity to produce particles.
BESSAGNET Bertrand;
ALLEMAND Nadine;
PUTAUD Jean-Philippe;
COUVIDAT Florian;
ANDRÉ Jean-Marc;
SIMPSON David;
PISONI Enrico;
MURPHY Benjamin N;
THUNIS Philippe;
2022-04-07
MDPI
JRC128491
2076-3417 (online),
https://www.mdpi.com/2076-3417/12/7/3623,
https://publications.jrc.ec.europa.eu/repository/handle/JRC128491,
10.3390/app12073623 (online),
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