On Fri, 20 Jun 2008 09:32:26 +0100 someone who may be Rod
wrote this:-

Actually enforcing speed limits would be a fuel/emission saving
measure.

Around here (and, I am sure in mahy other parts of the world),
"enforcing" speed limits has been done by much speed hump building.

Enforcing speed limits can be done in a variety of ways, of which
this is just one.





--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54