The Mayor of London lacks the legal power to order the expansion of the capital’s Ultra Low Emission Zone (Ulez), a group of Conservative-led councils have argued at the High Court.
The outer-London boroughs of Bexley, Bromley, Harrow and Hillingdon along with Surrey County Council also claim there was an “unfair and unlawful” approach to collecting views over Sadiq Khan’s proposals to enlarge the zone beyond the North and South Circular roads.
