Jarle H Knudsen wrote:
On Thu, 21 Sep 2006 14:43:49 GMT, Richard J. wrote:


[...] although there is zero pollution on the street with fuel-cell
buses [...]

What about air-borne dust particles teared off from the road
surface by the wheels, doesn't that count?

No, because...er....because .... oh, yes, the excess water vapour from
the engine would dampen the dust and stop it blowing about. (Phew, that
was a tricky one.)

Anyway, we don't have this problem in London....
http://tinyurl.com/rjgpw

By the way, it's "torn", not "teared". Yes, I know, it's a funny old
language.
:-)

--
Richard J.
(to e-mail me, swap uk and yon in address)