Birmingham's Clean Air Zone (CAZ) has similar rules to Ulez, and been going since 2021. It covers all roads within the city's ring-road, with a charge of £8 for polluting vehicles.

Ian Smith May 4, 2024 at 1:00 AM·5 min read ‘Personal freedom’ vs ‘greater good’: Low emission zones show EU’s impact on our everyday lives ...

Low-emission zones (LEZs) have been implemented widely in Europe to tackle air pollution sourced from vehicular emissions. We quantify the effectiveness of the world’s largest LEZ—London’s LEZ—in ...

LANGFITT: Today, 110,000 heavier-polluting vehicles operate in London's low-emission zone. The government expects that number to drop each month going forward. Frank Langfitt, NPR News, London.

London's Ultra Low Emission Zone (Ulez) will be expanded to cover the entire city under plans announced by mayor Sadiq Khan to cut pollution and congestion.