The turbine and compressor aren't physically connected.
There's a chance that the Audi R8 and Lamborghini Huracan might get the turbocharged and electrically supercharged, 2.5-liter five-cylinder from the Audi TT Clubsport Turbo. The move would be a way to lower their displacement and lower the models' vehicle taxes in China.
An electric turbo system boosts efficiency between 15 and 20 percent, according to Audi.
For years, the concept of an electric turbocharger was essentially a joke sold on eBay to boost power in your slammed Civic, but in the last five years it has moved from an idea on a piece of paper to a feasible reality. Audi has already toyed with a showcase of the cutting-edge tech in road cars with the RS5 TDI concept.