Transportation Sector
Alberta
Table 28: School Bus Secondary Energy Use and GHG Emissions by Energy Source
  1990   1991 1992 1993 1994 1995 1996 1997 1998
School Bus Energy Use (PJ) 2.5   2.3 2.3 1.9 1.8 2.7 2.3 2.3 2.5

Energy Use by Energy Source (PJ)
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Motor Gasoline 0.8   0.6 0.5 0.4 0.2 0.7 0.5 0.5 0.4
Diesel Fuel Oil 0.9   1.0 1.1 1.1 1.6 1.9 1.8 1.8 2.1
Ethanol n.a.   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Propane 0.8   0.7 0.7 0.3 0.0 0.0 0.0 0.0 0.0

Shares (%)
Natural Gas 0.0   0.0 0.0 0.0 0.0 1.6 2.0 0.1 0.0
Motor Gasoline 33.2   25.4 23.2 23.9 12.9 25.4 21.3 21.4 15.1
Diesel Fuel Oil 34.2   43.7 47.1 58.9 87.1 72.9 76.7 78.5 84.9
Ethanol n.a.   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Propane 32.6   31.0 29.7 17.2 0.0 0.0 0.0 0.0 0.0

Activity
Passenger-kilometres (millions) 2,798   2,571 2,726 2,289 2,364 3,567 3,243 3,353 3,717
Energy Intensity (MJ/Pkm) 0.89   0.91 0.85 0.81 0.78 0.74 0.71 0.69 0.66
School Bus GHG Emissions (Mt of CO2e) 0.2   0.2 0.2 0.1 0.1 0.2 0.2 0.2 0.2

GHG Emissions by Energy Source (Mt of CO2e)
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 0.0 0.0 0.0
Diesel Fuel Oil 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Ethanol n.a.   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Propane 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Natural Gas 0.0   0.0 0.0 0.0 0.0 1.2 1.5 0.1 0.0
Motor Gasoline 33.5   25.4 23.1 23.4 12.3 24.5 20.4 20.4 14.4
Diesel Fuel Oil 36.6   46.3 49.8 61.2 87.7 74.4 78.1 79.5 85.6
Ethanol n.a.   n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
Biodiesel Fuel 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Propane 29.9   28.3 27.1 15.4 0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 66.2   66.6 66.8 68.0 70.2 69.3 69.5 70.0 70.3