A startrescue.co.uk story...

It's not known exactly what, if any, car breakdown cover will be protecting London 2012's official vehicles, but BMW, who is providing these modes of transport will of course be hoping that no such cover will be required. It is not the question of reliability of the official vehicles that has been troubling BMW, but rather how environmentally-friendly they are.

The German automaker has come under heavy criticism from Green campaigners for providing 4000 high powered vehicles for the Games. The vehicles will be used to ferry VIPs to the various venues in dedicated lanes. Instead of such high powered vehicles, campaigners have suggested that VIPs use only electric cars or even use public transport.

While the use of public transport by VIPs might constitute an unnecessary security risk, the electric-only idea might be thought to hold some water.

But BMW has struck back fiercely, arguing that all its vehicles fall within the London 2012 Organising Committee's guidelines on CO2 emissions. In fact, they say, the average CO2 emissions for each vehicle is 116 grammes per kilometre (g/km), which is the same as Ford's modestly-sized Ka.

The figures appear to refute criticism from the Green lobby, despite the size and high power behind London's Olympic fleet.