On 11/03/18 00:12, Dave Plowman (News) wrote:
In article ,
Tim Watts wrote:
But no particulates.

What particulates? All modern diesel cars have DPF filters.

Many of which don't work.


All I see is an assertion for that with no evidence that I can check.

Euro 5 which effectively required a DPF came in around 2008/9. Any
vehicle older than 9-10 years could be belching smoke.

Many people have had theirs removed:

https://www.theguardian.com/environm...-for-transport


So I challenge you: how do you know they don't work? Have you been
observing smoke from old vehicles or modified vehicles?