Winner Portuguese pilot Antonio Felix Da Costa (L) of Amlin Aguri team and second-place winner French pilot Nicolas Prost of e.dams-Renault team celebrate on the podium during the awarding ceremony of the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Portuguese pilot Antonio Felix Da Costa of Amlin Aguri Team competes during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. Antonio Felix Da Costa claimed the title of the event. (Xinhua/Martin Zabala)

Portuguese pilot Antonio Felix Da Costa of Amlin Aguri Team celebrates during the awarding ceremony after winning the first place of the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Portuguese pilot Antonio Felix Da Costa of Amlin Aguri Team celebrates with his trophy during the awarding ceremony after winning the first place of the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Pilots compete during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Brazilian pilot Lucas Di Grassi of Audi Sport Team competes during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Pilots compete during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Chinese pilot Ho-Pin Tung of China Racing Team competes during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Tennis player David Nalbandian (R) awards the third-place winner Brazilian pilot Nelson Piquet Jr. of China Racing Team during the awarding ceremony of during the awarding ceremony after winning the first place of the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)

Pilots compete during the Formula E Grand Prix on the street circuit in the city of Buenos Aires, Argentina, on Jan. 10, 2015. (Xinhua/Martin Zabala)