Supplementary Tables Table S1. Summary of vehicle specifications Fuel Mileage Vehicle Main Emission GVW b Engine Manufacturer Fuel type injection traveled Test time Test place ID year a application standard (kg) size (L) system device (km) #1 Toyota 2010 Taxi Euro 3 Diesel 1695 CR c DOC d 1.7 520850 2013 Macao #2 Volkswagen 2012 Taxi Euro 4 Diesel 1452 CR DOC 2.0 2013 Macao #3 Renault 2013 Taxi Euro 5 Diesel 2140 CR DOC 2.0 90332 2013 Macao #4 TOYOTA 2010 Taxi Euro 3 Gasoline 1805 GDI e TWC f 1.6 18405 2013 Macao #5 Mazda 1993 Private Cars Euro 1 Gasoline 1240 PFI g 1.3 124870 2013 Macao 1.8 195663 #6 Volkswagen 2003 Private Cars China 2 Gasoline 1475 PFI TWC 2015 Beijing 2.4 103369 #7 TOYOTA 2007 Private Cars China 3 Gasoline 1550 PFI TWC 2015 Beijing 2.4 46199 #8 Buick 2014 Private Cars China 6 Gasoline 1930 PFI TWC 2015 Beijing Note: a The model year could be one year earlier than the actual year of production and registration; b Gross vehicle weight; c Common rail; d Diesel Oxidant Catalyst; e Gasoline Direct Injection; f Three way catalyst; g Port-Fuel Injection. Table S2. Diameter parameters of each ELPI+ size channel (Dekati, 2016) Channel (ELPI+) CH1 a CH2 a CH3 CH4 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH12 CH13 CH14 CH15 D50 b (nm) 6 17 30 60 108 170 260 400 650 1000 1600 2500 4400 6800 10000 Di c (nm) 10 22 42 80 140 210 320 510 800 1300 2000 3300 5500 8200 Note: a Newly added size channels compared with previous ELPI version (e.g., classic ELPI); b 50 percent cutting diameter; c Geometric mean diameter
Supplementary Tables Table S1. Summary of vehicle specifications Vehicle ID Manufacturer year a Main application Emission standard Fuel type GVW b (kg) Fuel injection system device Engine size (L) Mileage traveled (km) Test time Test place #1 Toyota 2010 Taxi Euro 3 Diesel 1695 CR c DOC d 1.7 520850 2013 Macao #2 Volkswagen 2012 Taxi Euro 4 Diesel 1452 CR DOC 2.0 2013 Macao #3 Renault 2013 Taxi Euro 5 Diesel 2140 CR DOC 2.0 90332 2013 Macao #4 TOYOTA 2010 Taxi Euro 3 Gasoline 1805 GDI e TWC f 1.6 18405 2013 Macao #5 Mazda 1993 Private Cars Euro 1 Gasoline 1240 PFI g 1.3 124870 2013 Macao #6 Volkswagen 2003 Private Cars China 2 Gasoline 1475 PFI TWC 1.8 195663 2015 Beijing #7 TOYOTA 2007 Private Cars China 3 Gasoline 1550 PFI TWC 2.4 103369 2015 Beijing #8 Buick 2014 Private Cars China 6 Gasoline 1930 PFI TWC 2.4 46199 2015 Beijing Note: a The model year could be one year earlier than the actual year of production and registration; b Gross vehicle weight; c Common rail; d Diesel Oxidant Catalyst; e Gasoline Direct Injection; f Three way catalyst; g Port-Fuel Injection. Table S2. Diameter parameters of each ELPI+ size channel (Dekati, 2016) Channel (ELPI+) CH1 a CH2 a CH3 CH4 CH5 CH6 CH7 CH8 CH9 CH10 CH11 CH12 CH13 CH14 CH15 D50 b (nm) 6 17 30 60 108 170 260 400 650 1000 1600 2500 4400 6800 10000 Di c (nm) 10 22 42 80 140 210 320 510 800 1300 2000 3300 5500 8200 Note: a Newly added size channels compared with previous ELPI version (e.g., classic ELPI); b 50 percent cutting diameter; c Geometric mean diameter
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