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Watch the Audi R18 E-Tron Quattro long-tail testing at Monza

Audi released a single photo of the long-tailed version of its R18 E-Tron Quattro Le Mans racer, but the photo didn't offer the best view of the stretched rear. The car has been caught testing at Monza, in Italy, and not only do we get a better view of what it's got out back, we get pretty awesome sound as it makes high-speed runs past the camera.
Since the 2013-spec car was found to be down on performance versus the 2012, the long-tail is a different evolution to see if Audi can eke out more performance from its already dominant chassis. Have a look and a listen in the video below.

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.

Audi stretches the A8L even more for one special European buyer

An anonymous European buyer decided that the standard Audi A8L just wasn't long enough, so this wealthy person ordered a one-off A8L Extended with six doors. It's capable of seating six people in luxury. The massive sedan now measures 20.9 feet versus 17.3 feet for the standard, already large A8L. The wheelbase also grows to 13.8 feet from 10.2 feet for the regular version. You might expect the A8L Extended to have facing seats inside like a limousine, but all the passengers actually look forward. The decision probably doesn't aid in having a conversation during the drive, but it's what the buyer wanted. The third row has an entertainment display and refrigerated storage box. The second and third rows also have power adjustable seats in beige Valcona leather. It took a year for Audi's engineers to figure out how to build this beast while retaining the A8's rigidity. The builders eventually settled on adding extruded aluminum sections to the side sills and center tunnel to get the extra length. They also included extra cross braces in the roof, and a 7.9-foot glass panel to lets more light into the cabin. The powertrain consists of Audi's 3.0 TFSI with 306 horsepower and 325 pound-feet of torque and an eight-speed automatic gearbox. The A8L Extended retains the company's Quattro all-wheel drive system and can reportedly accelerate to 62 miles per hour in 7.1 seconds. That's not lightning quick but still plenty for a vehicle that weighs 5,331 pounds. The A8L Extended likely won't remain a one-off for long. According to Audi, the customer response has been quite positive, and the company has already received requests to build more. Representative unique specimen: Audi A8 L extended Premium manufacturer develops and builds 6.36-meter (20.9 ft) sedan to special customer order One-off specimen meets same standards as production model Comfortable and spacious seating for six Audi puts the customer first, however out of the ordinary their requirements may be. An example of this is the Audi A8*: at the request of a European customer the premium brand has built a first one-off version of the sedan in king-size format. Measuring 6.36 meters (20.9 ft) in length and with a wheelbase of 4.22 meters (13.8 ft), the A8 L extended* affords top-class comfort for passengers occupying all of its six seats. A concept that generates customer: Audi has further requests for the custom product already.