Electric motorsport has taken a lot of flak. Formula E gets criticised for a lack of noise and weird computer game-inspired regulations, for instance. Yet Porsche and Mercedes have joined this season's championship, competing against the likes of Audi and BMW, and Formula 1, the ‘pinnacle' of motorsport, already runs hybrid engines. But what about the plethora of other championships around the world, whose regulations aren't dictated by a commercial need to promote a company's latest electric road car? We look at circuit racing, rallycross, ice racing and an EV dragster to see whether electric can ever truly compete,