Transportation Sector
Ontario
Table 22: Bus Secondary Energy Use and GHG Emissions by Energy Source
  2000   2014 2015 2016 2017 2018 2019 2020 2021
Bus Energy Use (PJ) 16.4   19.3 18.8 16.7 15.4 16.9 17.6 11.0 9.8

Energy Use by Energy Source (PJ)
Electricity 1.4   1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.6
Natural Gas 0.8   0.3 0.4 0.4 0.5 0.7 0.6 0.7 0.7
Motor Gasoline 1.0   0.6 0.6 0.7 0.7 0.7 0.8 0.5 0.5
Diesel Fuel Oil 13.2   16.9 16.3 14.0 12.7 14.1 14.6 8.3 7.1
Ethanol n.a.   0.0 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Propane 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 8.3   7.6 8.1 9.3 9.7 8.9 8.6 13.4 15.9
Natural Gas 5.1   1.8 2.3 2.7 3.5 3.8 3.6 6.2 6.7
Motor Gasoline 6.0   2.9 3.1 4.1 4.7 4.0 4.8 4.8 5.0
Diesel Fuel Oil 80.6   87.5 86.5 84.0 82.1 83.3 83.0 75.7 72.4
Ethanol n.a.   0.2 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Propane 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Activity
Passenger-kilometres (millions) 15,307   20,068 19,239 17,183 18,956 19,003 18,999 10,623 9,312
Energy Intensity (MJ/Pkm) 1.07   0.96 0.98 0.97 0.81 0.89 0.93 1.04 1.05
Bus GHG Emissions Excluding Electricity (Mt of CO2e) 1.0   1.3 1.2 1.1 1.0 1.1 1.1 0.7 0.6

GHG Emissions by Energy Source (Mt of CO2e)
Electricity –   – – – – – – – –
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Motor Gasoline 0.1   0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
Diesel Fuel Oil 0.9   1.2 1.2 1.0 0.9 1.0 1.0 0.6 0.5
Ethanol n.a.   0.0 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Propane 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity –   – – – – – – – –
Natural Gas 4.0   1.3 1.7 2.0 2.7 2.9 2.7 5.0 5.6
Motor Gasoline 6.3   3.0 3.3 4.4 5.0 4.3 5.0 5.6 6.1
Diesel Fuel Oil 89.7   95.5 95.0 93.6 92.3 92.8 92.2 89.5 88.3
Ethanol n.a.   0.2 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Propane 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 63.8   65.3 64.8 63.9 63.3 63.9 64.1 60.2 58.3

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production.

n.a. - Denotes data that is not applicable.
n.a. - Denotes data that is not available.