Cars and London

Transport contributes 21% of all carbon emissions in London (stat not verified)

Exactly how much does the car use (how green is my car?) Database Search by Make & Model gives the results

In a recent article by Beevers and Carslaw (2005) said:-

“the expected increase in emissions from buses have been mostly offset by the widespread introduction of particle traps to the new and existing bus fleet as well as the introduction of newer technology bus engine” (Beevers and Carslaw, 2005).

Beevers, S. D. and D. C. Carslaw (2005). "The impact of congestion charging on vehicle emissions in London." Atmospheric Environment 39(1): 1-5.