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Audi Sport Quattro Concept to spawn volume sports car?

There have been two modern re-imaginings of the original 1984 Audi Ur-Quattro: the Quattro Concept of 2010 (shown above) and the Sport Quattro Concept revealed at the 2013 Frankfurt Motor Show. In between them, there have been numerous rumors about what, if any, kind of production car Audi might make of them. According to a new report in Auto Motor und Sport, Audi CEO Rupert Stadler has "indicated... that the car will come," and based on the specs presented, what we get might end up being a mix of the two.
Ulrich Hackenberg, Audi's head of R&D, apparently wants a sports car with wider appeal than the 700-horsepower hybrid Sport Quattro Concept. AMS says his vision would be built on a modified A6 platform - the same MLB architecture under the Sport Quattro Concept - with ample use of carbon and aluminum keeping the weight down to around 1,300 kilograms (under 2,900 pounds). Engines could include a 2.5-liter, five-cylinder (like that of the original, smaller Quattro Concept) offering anything from 310 to 360 hp. Those numbers would be at least 48 horsepower shy of the first concept, but a less-powerful entry point to a new model range would provide a lower cost of entry. Besides, a full model range would likely include a significantly healthier powertrain option on the top end.
At the moment, Hackenberg is said to be unsatisfied with the design of the car, which could well mean we'll get another concept car before a production version appears.

Researchers halfway to cutting carbon fiber costs by 90%

Carbon fiber has been utilized for decades to build racecars, as a means to cut weight while maintaining strength. But until recently, the space-age material has been largely absent from the street on anything but supercars because of the expense to use it. Recently, BMW signaled a major shift in that trend when it starting using carbon fiber reinforced plastic panels on the i3 and i8. This relatively small scale start might be just the beginning; the German company believes that a breakthrough to inexpensively manufacture the lightweight stuff is just on the horizon.
MAI Carbon Cluster Management GmbH counts BMW, Audi, Airbus, the German government and many other organizations as supporters, and it's researching how to make carbon fiber cheaper to produce, according to Automotive News Europe. The company thinks it can reduce costs by 90 percent in the near future. "We've certainly reached a halfway point on our cost-cutting target for suitable carbon-fiber parts," said project head Klaus Drechsler to Automotive News Europe.
Unfortunately, it isn't entirely clear just what MAI Carbon is doing to make such a huge leap possible. However, a recent post on the company's website talks about a new form a carbon fiber using a thermoplastic matrix that could be cured in less than three minutes. That's compared to about 90 minutes in the traditional process with an autoclave.

2017 Audi S4 goes running naked through the Alps

Audi just launched its new A4 sedan barely more than two months ago, bringing with it a raft of improvements over the outgoing model. And you know what that means: A new S4 performance model is just around the corner. Fortunately, that's just what we have here in these latest spy shots, snapped completely undisguised. Spotted testing in the Alps, the new Audi S4 is closely based on the new A4 we've already seen, benefiting from all its enhancements and weight savings. Only it promises to be more potent. Where previous S4s packed V8 engines and the current (outgoing) model pressed a supercharged V6 into service, this new model is tipped to switch to a fresh turbocharged V6. Expect power to rise from 329 horsepower up to 340 or more, and with less weight to motivate, we can expect performance to improve markedly in the process. Along with a more powerful engine, the S4 clearly stands out visually from ordinary A4s with bigger intakes, upgraded rolling stock, quadruple exhausts, and more. We'll have to wait a little longer to find out all the sordid details, but from the look of it, we won't have to wait long. In fact, we'd be surprised if Ingolstadt didn't take the opportunity to unveil it at the Frankfurt Motor Show this month, so watch this space for more and scope out the photos in the gallery above in the meantime.