This might have been covered before, but even so this might be useful for 9 seat microbus owners. It seems that vehicles registered as having 9 or more seats, and not registered as a bus, qualify for a 100% discount on the London congestion charge.
http://bit.ly/gJlE6G" onclick="window.open(this.href);return false;
Make the most of it!
http://bit.ly/gJlE6G" onclick="window.open(this.href);return false;
Make the most of it!