In relation to the latter, in the economic analysis of the NAQS report, relatively sophisticated mapping techniques developed by NETCEN
were employed, whereas in the current work we used a simpler relationship produced by the South East Institute of Public Health (Carslaw et al.
Over the last 11 years, data from the National Environmental Technology Centre (NETCEN
) and the Department of Transport, Local Government, and the Regions' (DTLR's) target monitoring reports have indicated that British urban air quality gas been improving swiftly during that period.
As buses pollute up to 128 times as much as a car (NETCEN
figures), and they have a utilisation rate over the day of around 25 per cent, they pollute rather more than a car.