Turbos are going electric—and becoming part of hybrid powertrains

Garrett E-TurboTurbocharging has made its way from a niche performance upgrade and diesel-engine enabler to a mainstream power-booster aimed at making small, fuel-efficient engines drive like larger ones. What's next? As it turns out, the answer is hybrids. No, we're not just talking about slapping a turbocharger onto the ICE in a hybrid powertrain. What...