Transportation Sector
Ontario
Table 22: Bus Secondary Energy Use and GHG Emissions by Energy Source
  1990   2011 2012 2013 2014 2015
Bus Energy Use (PJ) 12.6   21.8 20.8 21.0 19.4 19.0

Energy Use by Energy Source (PJ)
Electricity 1.4   1.3 1.5 1.5 1.5 1.6
Natural Gas 0.1   0.1 0.2 0.2 0.3 0.3
Motor Gasoline 2.3   0.3 0.4 0.4 0.5 0.6
Diesel Fuel Oil 8.1   20.0 18.7 18.9 17.0 16.6
Ethanol n.a.   0.0 0.0 0.0 0.0 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 0.7   0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 10.9   6.0 7.0 6.9 7.9 8.2
Natural Gas 0.7   0.6 1.1 0.9 1.6 1.8
Motor Gasoline 18.2   1.4 1.7 2.1 2.7 2.9
Diesel Fuel Oil 64.3   91.8 90.1 90.0 87.6 87.1
Ethanol n.a.   0.1 0.1 0.1 0.2 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 5.8   0.0 0.0 0.0 0.0 0.0

Activity
Passenger-kilometres (millions) 10,171   24,722 24,077 22,615 20,031 20,134
Energy Intensity (MJ/Pkm) 1.24   0.88 0.86 0.93 0.97 0.94
Bus GHG Emissions Excluding Electricity (Mt of CO2e) 0.8   1.5 1.4 1.4 1.3 1.2

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0
Motor Gasoline 0.2   0.0 0.0 0.0 0.0 0.0
Diesel Fuel Oil 0.6   1.4 1.3 1.3 1.2 1.2
Ethanol n.a.   0.0 0.0 0.0 0.0 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 0.0   0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity  
Natural Gas 0.6   0.5 0.8 0.7 1.2 1.3
Motor Gasoline 20.1   1.4 1.8 2.1 2.8 3.1
Diesel Fuel Oil 73.6   98.0 97.3 97.1 95.8 95.6
Ethanol n.a.   0.1 0.1 0.1 0.2 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 5.7   0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 61.4   66.9 66.1 66.2 65.4 65.1

Footnotes:

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