So an "expert" reckons, in so many words, that the statements about diesel vehicles causing too much pollution are far fetched.
Has that expert really been in a city like London, like average people like me,and witnessed the filthy exhaust fumes of the diesel busses and lorries, let alone the fumes from all vehicles?
So he reckons no one is taking properly into account the "benefits" of our transport in a city like London. Benefits?! What children having breathing issues, let alone adults suffering early onset of health issues is a benefit? London failing to meet international standards of limiting pollution that you CAN see let alone smell in the air is a "benefit"?
This prat no doubt would have said the same about the "benefits" of steam trains, coal fires, and coal fed polluting industry that regularly gave London it's killer smogs in the 1950's that I witnessed as a child every time we visited my East Ender Nan. The "benefits" to life and industry, like cigarettes, in the 1950's that killed tens of thousands. It was then that brave politicians, like the Mayor of London now, that stood up and forced through the Clean Air Act and gave everyone a kinder environment than we had ever known before.
Yes, we love our vehicles, just like I love steam railway engines, but I am intelligent enough to know the time has come for major changes again to our modes of transport. Only the dinasours, living in the past, will complain about what the Mayor is trying to do.