Based on Mayer Hillman “How we can save the planet”, Penguin (2004). Table 4 p148. See http://coinet.org.uk/solutions/carbon-rationing.:
- air travel (1.8t)
- household heating (1.5t)
- car use (1.0t)
- household electricity consumption (0.9t)
- other public transport use (0.2t)