Transportation Sector
Alberta
Table 22: Bus Secondary Energy Use and GHG Emissions by Energy Source
  1990   2011 2012 2013 2014 2015
Bus Energy Use (PJ) 7.3   11.3 10.3 11.3 12.2 10.6

Energy Use by Energy Source (PJ)
Electricity 0.2   0.5 0.4 0.4 0.4 0.4
Natural Gas 0.0   0.1 0.2 0.2 0.8 0.8
Motor Gasoline 1.1   0.1 0.1 0.2 0.2 0.2
Diesel Fuel Oil 5.2   10.6 9.6 10.5 10.7 9.2
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 0.8   0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 2.6   4.5 3.6 3.4 3.5 4.0
Natural Gas 0.6   1.0 1.8 1.8 6.9 7.1
Motor Gasoline 15.4   0.9 1.2 1.5 1.8 2.1
Diesel Fuel Oil 70.4   93.6 93.2 93.3 87.7 86.8
Ethanol n.a.   0.0 0.1 0.1 0.1 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 11.1   0.0 0.0 0.0 0.0 0.0

Activity
Passenger-kilometres (millions) 5,878   12,879 12,082 12,259 12,379 11,055
Energy Intensity (MJ/Pkm) 1.25   0.88 0.86 0.92 0.98 0.96
Bus GHG Emissions Excluding Electricity (Mt of CO2e) 0.5   0.8 0.7 0.8 0.8 0.7

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 0.1   0.0 0.0 0.0 0.0 0.0
Diesel Fuel Oil 0.4   0.8 0.7 0.8 0.8 0.7
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 0.4   0.7 1.3 1.3 5.0 5.2
Motor Gasoline 15.5   0.9 1.2 1.5 1.8 2.1
Diesel Fuel Oil 74.0   98.4 97.4 97.2 93.1 92.7
Ethanol n.a.   0.0 0.1 0.1 0.1 n.a.
Biodiesel Fuel 0.0   n.a. n.a. n.a. n.a. n.a.
Propane 10.0   0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 66.8   68.0 68.4 68.6 67.3 66.9

Footnotes:

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