On Thu, 14 Jul 2005 11:26:29 +0100, "Mary Fisher"
wrote:


"Dave Plowman (News)" wrote in message
...


Modern cars actually clean up the air they burn in terms of pollutants.
The only significant emission is CO2. And water, of course.

So why do they smell?

4x4 Drivers? Aircon probably (@ another ~3 mpg)? ;-)

T i m