§ Mr. Maclean
To ask the Secretary of State for the Environment, Transport and the Regions what information he has collated on pollution in London caused by(a) buses and (b) cars. 
§ Dr. Reid
The London Atmospheric Emissions Inventory, prepared by the London Research Centre, indicates that in 1995, emissions from buses and cars in London were as described in the following table. All figures are given in terms of tonnes of pollutant per annum.
Buses Cars Nitrogen oxides 5,464 64,091 Fine particulate matter (PM10) 558 1,497 Carbon monoxide 2,703 473,895 Non-methane volatile organic compounds 419 64,381