Petrol
Diesel
Hybrid electric vehicle
Battery
electric vehicle
Plug-in hybrid
electric vehicle
2.5m
2
1.5
1
0.5
0
2011
2013
2015
2017
2019
2012
2014
2016
2018
2020
Petrol
Diesel
Hybrid electric vehicle
Battery electric vehicle
Plug-in hybrid electric vehicle
2.5m
2
1.5
1
0.5
0
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020