Good video on this link
The adage "racing improves the breed" is often used to justify automakers' participation in motorsports.
The implication is that technology developed for racing, and tested under the harsh conditions of competition, can eventually be applied to production cars.
Indeed, items that many of today's drivers take advantage of—from the rear-view mirror to disc brakes—first appeared on race cars.
DON'T MISS: Formula E electric-car races expands carmaker list, Audi, BMW, and Jaguar included
That phenomenon is now less common for internal-combustion cars, as strict rules governing both race cars and road cars have caused the two to evolve in different directions.
But could racing prove a valuable test bed for electric cars?
Now that the Formula E electric-car race series is gaining traction, automakers are beginning to think just that....