On Sun, 15 Jan 2006 10:07:52 +0000, John Wright wrote:

On Sat, 14 Jan 2006 23:14:46 +0000, The Natural Philosopher
wrote:
On Sat, 14 Jan 2006 17:15:46 +0000, Clive wrote:

In message ews.net,
Doctor Drivel writes
But diesels are noisy and filthy emitting soot - so a no. no.
Ever thought you could be wrong. Soot is visible, but unburned and
therefore not causing harmful CO2 and not invisible like the harmful
PM10s produced by all engines.

It is however a n irritant and very nasty carcinogen. I WISH they would put
cats on diesels.

You probably need both a cat and a particulate filter.

Yep. But I thought that a red hot cat oxidised the carbons anyway.