Locomotive Emissions Monitoring Program - Railway Association of ...

Table 11
Locomotive CAC Emissions
in kilotonnes
Operations 1990 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Total Railway
NOx 113.59 103.21 109.30 118.36 120.21 111.32 117.05 114.86 112.22 103.18 99.68
CO 21.64 20.48 20.87 21.17 20.46 22.66 16.28 16.47 15.78 11.76 10.23
HC 5.75 5.41 5.52 5.59 5.66 5.14 6.59 6.67 4.42 3.88 3.85
PM 2.70 2.56 2.60 2.64 2.68 2.55 4.80 3.99 2.77 3.54 3.14
SOx 5.22 4.95 5.04 5.11 5.19 4.93 4.23 5.09 4.80 1.91 0.55
Total Passenger
NOx 5.63 3.17 3.34 5.41 5.47 5.31 6.10 6.88 6.63 6.33 6.20
CO 1.08 0.61 0.64 1.04 1.05 1.04 0.92 0.93 0.52 0.40 0.40
HC 0.28 0.16 0.17 0.27 0.27 0.27 0.23 0.24 0.20 0.09 0.10
PM 0.13 0.08 0.08 0.13 0.13 0.13 0.14 0.14 0.13 0.08 0.08
SOx 0.26 0.15 0.15 0.25 0.25 0.23 0.23 0.23 0.22 0.09 0.03
Freight Train Line-haul
NOx 99.68 94.43 100.43 107.21 109.86 101.50 105.57 102.64 100.89 91.52 88.58
CO 19.15 18.91 19.29 19.15 19.63 20.85 14.40 14.59 14.87 11.05 9.54
HC 4.98 4.92 5.02 4.98 5.10 4.60 6.05 6.12 3.99 3.48 3.46
PM 2.37 2.34 2.39 2.37 2.43 2.31 4.53 3.73 2.53 3.30 2.91
SOx 4.62 4.57 4.66 4.62 4.74 4.52 3.83 4.71 4.42 1.76 0.50
Yard Switching and Work Train
NOx 8.27 5.60 5.53 5.74 4.88 4.51 5.38 5.34 4.70 5.33 4.90
CO 1.41 0.96 0.94 0.98 0.83 0.77 0.96 0.95 0.39 0.31 0.29
HC 0.49 0.33 0.33 0.34 0.29 0.27 0.31 0.31 0.23 0.31 0.29
PM 0.20 0.14 0.13 0.14 0.12 0.11 0.13 0.13 0.11 0.16 0.15
SOx 0.34 0.23 0.23 0.24 0.20 0.18 0.17 0.17 0.16 0.06 0.02
Total – Freight Operations
NOx 107.95 100.03 105.96 112.95 114.74 106.01 110.95 107.98 105.59 96.85 93.48
CO 20.56 19.87 20.23 20.13 20.46 21.62 15.36 15.54 15.26 11.36 9.83
HC 5.47 5.25 5.35 5.32 5.39 4.89 6.36 6.43 4.22 3.79 3.75
PM 2.57 2.48 2.52 2.51 2.55 2.42 4.66 3.86 2.64 3.46 3.06
SOx 4.96 4.80 4.89 4.86 4.94 4.70 4.00 4.88 4.58 1.82 0.52
Total Freight Emissions Intensity kg / 1,000 RTK
NOx 0.43 0.33 0.33 0.35 0.37 0.33 0.32 0.31 0.30 0.27 0.27
CO 0.08 0.07 0.06 0.06 0.07 0.07 0.05 0.04 0.04 0.03 0.03
HC 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01
PM 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
SOx 0.02 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.00
Note: 2007 CAC masses revised to reflect Audited Tier-level locomotive numbers in fleet
22 LEM 2008