A joyous Sam Bird gives a one-fingered victory salute after the Formula E ePrix in Buenos Aires.
Sebastien Buemi (left) embraces Bird after the pair's epic battle at the Buenos Aires ePrix on Saturday.
Bird in his DS Virgin Racing car (left) and Sebastien Buemi of Renault e.dams fought an incredible battle in the closing laps of the race. The Swiss, who started from last place at the Puerto Madero Street circuit, couldn't find a way past and had to settle for second place.
Buemi, Bird and third-placed Lucas di Grassi (far right) pose for the cameras on the podium in Buenos Aires.
Buenos Aires hosted round four of the 2015-16 Formula E World Championship.
Green, clean and fast: Formula E is the world's first all-electric racing series.
Formula E aims to bring fans closer to the sport. The Fan Boost vote means the audience can even give their favorite driver a 100kJ surge of power during the race. Frenchman Jean-Eric Vergne, pictured, proved popular with the fans in Uruguay.
CNN SuperCharged presenter Nicki Shields out on an electric bike in Buenos Aires before Saturday's race. The city has embraced electric transport in recent years.