The Ultra Low Emission Zone is getting bigger - here's what you need to know.
New ULEZ changes in effect.
Premise is basically 'avoid air pollution'.
Have your say on air pollution measure.
Ultra Low Emission Zone to be in place for 2020.
Mayor says London doesn't need emergency pollution measures.
More info on the proposed pollution tackler.
A big week for taking stock of London's traffic.
The late edition of London news.
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