The ultra-low emission zone (Ulez) will be expanded across all of Greater London next summer, Sadiq Khan announced on Friday.
The mayor’s decision – which he described as one of the most difficult of his political career – comes in the face of mass opposition and means 15 per cent of vehicles registered in the new outer London zone, about 200,000 at present, will be liable for the £12.50-a-day levy.
