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Rolls-Royce launches electric car at Geneva Motor Show

1 March 2011 Last updated at 11:11 GMT

The world's big car companies are out in force in Geneva for the city's annual motor show this week.

It is a chance to show off fanciful concept designs as well as the models destined for the road.

Luxury car maker Rolls-Royce is displaying a one-off battery powered electric vehicle - it is dubbed the Phantom Experimental Electric.

The chief executive Torsten Muller-Otvos spoke to the BBC about the new car.