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

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Audi RS5 Electric Turbo TDI

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

Turbochargers, like acoustic guitars, use moving air to create magic. And electric turbochargers, like electric guitars, provide the ability to amp up that magic to amazing new levels.

Electric guitars make cool sounds, and do so with a lot more volume than acoustics. Electric turbochargers will make quantifiable gains in both efficiency and power, in addition to harder-to-quantify gains in drivability compared to conventional turbochargers.

An electric turbo system, which includes an energy recovery system to provide power for the electric turbo, boosts efficiency between 15 and 20 percent, according to Audi. It also effectively eliminates turbo lag, the time it takes for turbo boost to build power to levels requested by the driver’s right foot. Audi says its electric turbo needs only a quarter of a second to reach full boost.

The company recently demonstrated electric turbo-equipped RS5 and A6 prototypes at an event, where Volkswagen Group technical head Ulrich Hackenberg told Autocar magazine that Audi will release an SQ7 equipped with electric turbocharger technology in 2016.

That would make the SQ7 the world’s first production vehicle equipped with an electric turbo, and surely the first of many to come.

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Electric turbos promise big performance and efficiency gains in the near future originally appeared on Autoblog on Fri, 08 Aug 2014 11:58:00 EST. Please see our terms for use of feeds.

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