Vehicles pass by a sign indicating the new boundary of the LEZ and ULEZ expansion in London, England. Getty Images
Vehicles pass by a sign indicating the new boundary of the LEZ and ULEZ expansion in London, England. Getty Images
Watchdog rules Ulez adverts made misleading London pollution claims
Advertising Standards Authority says TfL based claim on calculating difference between current air quality measurements and 'non-Ulez scenario'
