Cough, Cough, it's the traffic...

Link to The Guardian

Text is from TfL press release:

"From 3 January 2012. around 75,000 heavey [sic - it was an urgent press release!] goods vehicles (HGVs), buses and coaches will have to meet tighter Low Emission Zone (LEZ) standards.

"For the first time, around 72,000 larger vans and minibuses will have to meet emissions standards."