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Table 3 Emissions of gaseous pollutants and FC per PKT of bus, car, and motorcycle

From: Effects of the COVID-19 pandemic on public bus occupancy and real-world tailpipe emissions of gaseous pollutants per passenger kilometer traveled

Parameter

Unit

Bus

Car

Motorcycle b

  

Pre-pandemic

During-pandemic

Reference a

  

CO

g PKT−1

0.23 ± 0.03

0.81 ± 0.56

0.02

0.29

3.10

THC

mg PKT−1

5.9 ± 0.8

21 ± 14

0.64

29

876

NO

g PKT−1

1.9 ± 0.3

6.6 ± 4.6

0.20

0.03

0.23

CO2

g PKT−1

84 ± 11

298 ± 206

9

104

60

FC

g PKT−1

27 ± 4

95 ± 66

3

33

22

  1. a Emissions per PKT when the bus occupancy is 100%
  2. b Fleet-average emission factors compiled from the literature
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Sustainable Environment Research

ISSN: 2468-2039

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