Buses: Exhaust Emissions

Department for Transport written question – answered on 20th September 2018.

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Photo of Lord Bradshaw Lord Bradshaw Liberal Democrat

To ask Her Majesty's Government whether, and to what extent, bus emissions of pollutants have reduced in the last five years; and what reduction in bus emissions they anticipate in the next five years.

Photo of Baroness Sugg Baroness Sugg Parliamentary Under-Secretary (Department for Transport)

Figures for buses alone are unavailable. Figures for actual and projected combined bus and coach pollutant emissions are shown in the table, where available.

Year

CO

NOx

PM10

PM2.5

Benzene

1,3-butadine

Lead

SO2

2011

6.52

30.76

0.39

0.39

0.00

0.02

0.00

0.02

2012

6.32

27.69

0.35

0.35

0.00

0.02

0.00

0.02

2013

6.37

26.23

0.32

0.32

0.00

0.02

0.00

0.02

2014

5.89

23.38

0.28

0.28

0.00

0.01

0.00

0.02

2015

5.08

19.44

0.23

0.23

0.00

0.01

0.00

0.02

2016

4.26

14.95

0.18

0.18

0.00

0.01

0.00

0.02

2020

n/a

8.27

n/a

0.10

n/a

n/a

n/a

0.02

Source: Ricardo – AEA/DEFRA (NAEI)

Units: Thousand tonnes n/a: projections not available

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