Secret Service agents have already been familiarising themselves with the machine they call 'The Beast', built by General Motors in Detroit and based on a Cadillac chassis. The company refuses to give precise details of how it will perform its primary purpose - protecting the president. But bulletproof glass and armourplating are standard throughout and the car is hermetically-sealed to withstand chemical weapons. As with previous presidential limos it is packed with electronic communication systems to allow Mr Obama to keep in contact with the outside world. One personal touch will be the remote-controlled ten-CD changer on which he can play his favourite artists, said to include Stevie Wonder and Bob Dylan.
Cadillac One, Barack Obama's new presidential limo - also known as the Obamamobile