Some of the world's fastest electric cars will do battle on the streets of Beijing today in the first of a world series of races. 20 Formula E cars will speed past the Birdsnest stadium at speeds of up to 150 miles an hour.

VOICED: Some of the world's fastest electric cars will do battle on the streets of Beijing today in the first of a world series of races. 20 Formula E cars will speed past the Birdsnest stadium at speeds of up to 150 miles an hour. Shows Exterior shots of various Electronic Racing cars pulling out of pit, TIMELAPSE of Virgin Racing pit crew working on cars, Interview with Sylvain Filippi Virgin Racing Chief Technical Officer, Sam Bird speaking to fans and getting into racing car, Interview with Sam Bird Virgin Racing Driver, Alain Prost walking into pit lane, General shots of Electronic Racing cars warming up for practice lap at Formula E Grand Prix. on September 13, 2014 in Beijing, China.