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Next 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).
"I can confirm we are working on the development of the e-boost definitely," said Ulrich Weiss, Audi's diesel engine boss, to Australia-based Drive. He didn't give an exact timeframe but hinted at sometime next year, possibly in the Q7. He also suggested the chance of an RS-branded diesel model in the vein of the RS5 TDI concept on the horizon, as well.
This tech isn't entirely new for the folks in Ingolstadt. Audi's R18 endurance racer already uses such a system to capture waste heat from the engine, converting it to electric power to further power the hybrid car. The RS5 TDI concept employs a similar idea with a 3.0-liter, twin-turbocharged V6 with an electric supercharger to make up for the turbo lag. It's able to pump out 385 horsepower and 553 pound-feet of torque and allegedly sprint to 62 miles per hour in four seconds.

Audi's next R8 snapped running the 'Ring nearly naked

Following the debut of the Lamborghini Huracán, work is now well well under way on its cousin. That, of course, would be the next-generation Audi R8, the followup to the model that put Ingolstadt on the supercar map in 2006 and has been on the market ever since. That's an eight-year lifespan, though to be fair, for 2014 it has gotten a pretty meaningful update. Still, that's a long lifecycle, even if the Gallardo with which it shares its underpinnings was around even longer. In other words, it's about due for replacement.
Fortunately, that's just what Audi has in the cards. We've seen prototypes wearing heavy camouflage lapping the Nürburgring a couple of times over the past few weeks, but now it's been snapped nearly completely undisguised, with largely bare black bodywork giving us an even better look at what to anticipate.
So what are we looking at here? A sharper-looking take on the existing design, for starters, so onlookers and customers alike shouldn't have any trouble identifying this as an R8 - but a newer one at that. It seems to take some cues from the new TT, particularly around the headlights, with more squared-off elements throughout. There's an adaptive rear wing poking out the back and more pronounced side-blade intakes between the doors and the rear wheels, which themselves are wearing ultra low-profile rubber.

40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.