If you race electric cars on the streets of Miami and London, does that make them sexier? Formula E hopes so.

[youtube https://www.youtube.com/watch?v=NWxPtWd62Ek&w=620&h=315]

"Formula E" will debut next summer with a bunch of cool features -- you can 'tweet to boost' certain drivers, for example -- perhaps none more than the essential feature of the circuit: all the cars are electric and yes, if you watch the video above, they sound like robots out of Star Wars