Birmingham was among five cities the government called on to establish a clean air zone along with Leeds ... believed the CAZ was the "most effective way of making a sustainable improvement ...

Birmingham's Clean Air Zone comes into effect in July Rod Dennis ... He said: "A number plate is not a reliable way of finding out a car's Euro emissions standards, so we recommend drivers ...

The divisive introduction of the Clean Air Zone in Birmingham has made a ‘significant ... closely with Transport for West Midlands to find ways of accelerating the adoption of zero emission ...

Birmingham's Clean Air Zone has contributed to an overall reduction in the levels of NO2 in the city centre, according to council ...