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52Electric turbos promise big performance and efficiency gains in the near future

We Dive Deep With Audi's Revolutionary New Turbo Tech

An electric turbo system boosts efficiency between 15 and 20 percent, according to Audi.

15Audi SQ7 coming, will have electric turbo

Formula 1 and endurance racing are already harvesting energy from turbos on the track, and now it's apparently time for a similar idea of boosting the efficiency of forced induction to hit the streets in a high-performance, diesel SUV.

17Next Audi Q7 to debut with electric turbocharger?

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. Now, reports suggest an electric turbo may make it to the streets as soon as next year in the next-gen Q7 (spy shot pictured above).

87Next Subaru WRX to use electric turbocharger?

Subaru has been trying to figure out the direction for its three-headed monster, as the Impreza and its WRX and WRX STI variants have grown increasingly at odds over the past two generations. Now this gets thrown into the mix: When the new WRX gets released in late 2013, it may ditch the traditional exhaust-gas powered turbocharger for a new, electric design.

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