The Andretti Formula E secret weapon with 'world champion' target

Andretti announced Callum Voisin as its development driver for the upcoming Formula E season, but it turns out he is not so new to the outfit after all.

Andretti's new Formula E development driver Callum Voisin has ambitions of becoming a "world champion" and is very much a rising star who, it turns out, is not so new to the American outfit after all.