Select Committee on Environmental Audit Written Evidence


Annex

2002 Carbon dioxide emissions by end user category


Mode
Million tonnes of carbon
Percentage of 2002 total

Road Transport
38
26
Railways
  1
  1
Civil Aircraft
  1
  1
Shipping
  1
  1


2002 Carbon emission by source category


Mode
Million tonnes of carbon
Percentage of 2002 total

Road Transport
32
22
Railways
  0
  0
Civil Aircraft
  0
  0
Shipping
  1
  1


2002 greenhouse gas emissions in thousand tonnes


Mode
Nitrogen oxides
Carbon monoxide
VOC's
Particulates

Road Transport
762
1,935
385
41
Railways
  19
     4
    3
  1
Civil Aircraft
   6
     5
    5
  0
Shipping
  38
     5
    3
  1


Average CO2 emission per tonne kilometre


Mode
Average gCO2 per tonne kilometre

Rail (2000 freight mix)
  23
Heavy Goods Vehicle
176


Average CO2 emission per passenger kilometre


Mode
Average gCO2 per passenger km

Passenger rail
  73
Car
114
Short-haul air
330
Bus
  77


February 2006



 
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