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Audi pushing DOT to allow its sequential LED turn signals [w/videos]

Still in the process of trying to get its trick LED Matrix Beam headlights legalized in the US, Audi is now trying to get its front and rear sequential LED turn signals approved by the National Highway Traffic Safety Administration. Just like its auto-dimming headlights, the sequentially illuminating turn signals don't meet NHTSA's Federal Motor Vehicle Safety Standard 108.
The problem, according to Automotive News, is that the individual lighting elements are too small to meet current US safety regulations. The rule states that each lamp should be 22 square centimeters (8.6 square inches) and the whole lighted combined area must be 50 square centimeters (19.6 square inches). In the individual sequence, Audi's lights are much smaller than that. As for the Ford Mustang, which has had sequential turn signals since 2010, this system is legal since the first lens is large enough to meet the required size, so the other two lights really aren't even necessary.
It sounds like it could be some time before we see these turn signals on Audis in the US, which is a shame because in addition to their styling bebefuts, we think they're more effective at signaling the vehicle's intended direction of travel, and they do a better job of grabbing the eye. Scroll down to watch a pair of videos showing the headlights in action on the redesigned A8/S8 as well as the recently updated R8.

KTM X-Bow to get Audi TT-RS five-cylinder turbo

The Audi TT-RS continues to occupy a warm spot in my personal top five list of cars thanks in no small part to the lusty turbocharged 2.5-liter five cylinder under the hood. With 360 horsepower and 343 pound-feet of torque in stock configuration, the engine is a shining star of internal combustion. And now it's headed to one of our favorite vehicles. EVO reports KTM is planning to plop the turbo 2.5 from the TT-RS into the upcoming X-Bow. That ruckus you hear? It's a choir of angels singing "Halleluiah." While speaking at the Geneva Motor Show, KTM CEO Stefan Pierer said the engine is good for up to 480 horsepower.
Pierer went on to say that the company is already testing prototypes and that we may very well see the engine show up in some races next year. What's more, the company's engineers are playing with dual-clutch transmissions, too. Since KTM is already testing the turbo 2.5 on the track, it's only a matter of time before customers will be able to get their grubby mitts on a street-legal version.

Audi A8 and S8 get another video tease

If there was any doubt before about which car(s) Audi recently teased in a video, now we know for sure. Audi has released another teaser video that confirms we'll at least be seeing the 2015 Audi S8 (and very likely the A8 as well) in the near future, but the big surprise is just how soon we'll see the new flagship sedan. We originally expected to see the sedan receive its official debut at the Frankfurt Motor Show, but now Audi says that the car will be presented about three weeks before the event on August 21.
How do we know this is the S8? Well, aside from it obviously being a large sedan, the true tell that this is its A8/S8 is the front license plate, which clearly shows "S8" on it - we've been doing this long enough to know that Audi's promotional license plates have the model designation in the plate number. As for other details, Audi's trick Matrix headlights shine through the thin veil in what should be the crown jewel of the sedan's new face. There's a little more than a week to go until the car is unveiled, but for now, check out the video below.