Electrically driven superchargers and turbochargers are the technology of the future for engine performance. This technology will allow the big auto manufacturers to downsize there engines for decreased CO2 output yet have greater performance due to no turbo lag.
Here are some links that talk about it:
#1.
http://europe.autonews.com/article/2...sel-power-race
#2.
BMW M3 500 Horsepower Electric Superchargers | car News @ Top Speed
#3.
https://www.duryeatechnologies.com/p...-supercharger/
#4.
Electric Superchargers - the Next Big Thing for the Automotive Industry