Also, the car would have to be a Tesla electric car rather that a DeLorean gasoline, oops, NUCLEAR engine. (We are talking about granola eating, no fat soy latte sipping, tree hugging, socialist Holyweird, after all!)
And remember how in Back to the Future, the bad guys coming after Doc were Libyans??? No way they could have such villains today.
Well, it was electrical, basically. And that was just to power the flux capacitor. :-)