Quote:
Originally Posted by GreenHornet
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.
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Though there are other ways to overcome turbo-lag, it might not be impossible to have both an electric supercharger and a conventional turbo, in a way similar to present-day twin-stage turbocharging or to what Volkswagen does with its TwinCharger setup that incorporates a mechanically-driven blower to provide low-end boost until the turbo kicks in. On a sidenote, BMW was experiencing with starter motors fitted to conventional turbochargers in a Diesel prototype, which seems to be the best idea as it not just overcomes the turbo lag but also doesn't waste the kinetic energy available in the exhaust flow.