What Formula E Technology Will Actually Make It To Road Cars?

Formula E is a laboratory for coming up with brand new innovations for cars everywhere, but you won't be driving a Formula E car to the shops anytime soon. So how does a high-speed electric powertrain eventually find its way into a road car? We went behind the scenes at Mahindra Racing's headquarters with their race driver Alexander Sims to find out how this happens, and what we should look forward to in the future of Formula E.