They are as much a part of the national landscape as the London Routemaster bus or Gilbert Scott's red telephone box, but this year the last of the classic black FX4 "Fairway" taxi cabs could be erased from our streets. Mann & Overton, the main dealership for the modern replacement, the TX4, is offering FX4 operators up to £3,000 - 10 times the market value of their old cab - if they trade it in for a new TX4.

http://lifeandhealth.guardian.co.uk/motoring/story/0,,2273403,00.html?gusrc=rss&feed=technology