Summary: London Mayor Sadiq Khan 's plan to extend the city's ultra-low emission zone (ULEZ) has been ruled lawful. The expansion of ULEZ means more polluting vehicles will face a daily charge, aiming to reduce pollution and improve air quality . Protesters expressed unhappiness with the decision, and Tory-led councils ' challenge to stop the ULEZ expansion was rejected. The policy has been controversial, and its impact on the cost of living and businesses has caused a split within the Labour Party . The issue of green policies has become a dividing line between political parties as the general election approaches. ...