Modern diesel cars produce 10 times more toxic air pollution than heavy trucks and buses, new European data has revealed. Transport for London research had already established in 2015 that some small dieselgate cars producing more toxic emissions than a bus or HGV.

https://www.theguardian.com/environment/2015/oct/21/diesel-cars-emissions-toxic-pollution-than-a-bus-data-reveals

https://www.theguardian.com/environment/2017/jan/06/diesel-cars-are-10-times-more-toxic-than-trucks-and-buses-data-shows?CMP=twt_gu

However over the Christmas period TFL waived the Congestion Charge in a very high air pollution spike. Surely the connection between road pricing and air pollution is established?

The Mayor of London, Sadiq Khan says he does not have the powers to ban diesel as many other cities have done. However he has said he would like to have more car free days. Why not have a car free Sunday breathing day in our city centre?