Clean Air Zones: Exhaust Emissions
(asked on 2nd May 2023) - View Source
Question to the Department for Transport:
To ask the Secretary of State for Transport, what estimate he has made of the percentage reduction in (a) emissions of oxides of nitrogen and (b) concentrations of nitrogen dioxide at roadsides with Clean Air Zones (i) Class A, (ii) Class B, (iii) Class C and (iv) Class D in a city without a Clean Air Zone in 2022
This question was answered on 9th May 2023
Different Clean Air Zone types have been used in Local Authorities due to the differing requirements and starting points in regard to their fleet composition and air quality conditions. As a result, it is not possible to make a direct comparison between different CAZs.