Formula E, future of EVs.

Video tip: This is the new sound of the Formula E. Testing for the second season has started and reveals a multitude of motors wheezing at varying frequencies.
youtube.com

Click tip: Can you depict the future of electric cars with three icons? The “2015 Guide to Electric Cars” can. It looks at the global EV market and displays its findings as illustrative infographics showing key countries like China and literally outline the local best-sellers.
electriccarsreport.com