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Leonie Cooper: Clean air is an issue for all Londoners, so let’s all have our say

Londoners should not have to pay road tax if capital adopts ‘smart’ road user charging, says Sadiq Khan

Dave Hill: What effect has the expansion of the London ULEZ had so far?

Paul Wheeler: London needs a new approach to reducing congestion and air pollution

Sadiq Khan’s latest ULEZ expansion plan wins wide support though not from Tories

Charles Wright: Sadiq Khan’s ‘precarious’ 2022/23 budget plans

Transport for London rejected six-month funding offer from government because of ‘onerous’ strings attached

Sadiq Khan claims success for expanded Ultra Low Emission Zone after first month