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Audi testing long-tail version of R18 e-tron quattro for Le Mans

Race teams are always looking for ways to shave hundredths of seconds of their lap times. Case in point: Audi is making some slight changes to its prototype racecar to make it ever so much more slippery as it cuts through the air.
Debuting at the second round of the FIA World Endurance Championship at Spa on May 4, Audi will be testing a long-tail version of its R18 E-tron Quattro racecar. As its name suggests, the long-tail car gets a lengthened rear section with the goal of improving aerodynamics. The long-tail will be run alongside the standard version of the racecar as a testbed for possible changes that might be in store, heading into the 24 Hours of Le Mans.
Audi did not say how many inches were added to the racecar, but as you can see in the image above, "long-tail" definitely doesn't take on the same meaning of classic long-tail cars of the past such as the Porsche 917. More information about the car, Audi's team and even some info about the track itself can be found below.

2013 Audi RS Q3

The year 1994 was a really good year for German performance fans, because it was that year when Audi released its very first official RS model (for "RennSport," or racing sport), the RS2 Avant. Recently, I was invited to participate in a three-day leg of the Audi Land of Quattro Alpen Tour, a blatant flaunting over hill and dale of the company's current lineup of RS models. We hit Austria, Switzerland and Italy - the roads were epic and the weather held for this exquisite boondoggle.
Our chief focus on this tour, which included the RS6 Avant and RS7, was the newcomer RS Q3 small crossover that will absolutely never be coming to North America, but which starts deliveries in November of this year. This no-North America policy is because we still don't have enough customers who see the thrill or sense in a $52,000 all-wheel-drive baby sport utility that gets to 60 miles per hour from a stop in under five seconds. Meanwhile, in crazy, drunken Europe, orders for this ridiculous, wondrous set of wheels have, to quote Quattro head of technical development Stephan Reil, "far outstripped the limited production numbers of the business case." Those silly Europeans, don't they know that an RS Q3 makes no sense at all? Sheesh.

Startup will make your Audi A4 self-driving for $10k [w/video]

We are on the cusp of the next generation of semi-autonomous driving technology becoming affordable. Adaptive cruise control is already trickling down to the mass market, and the more sophisticated systems found on vehicles like the Mercedes-Benz S-Class are clearly coming, as well. If you're a little adventurous, live in California and drive an Audi, you might be able to upgrade to the next stage of driverless tech even sooner. A San Francisco start-up called Cruise Automation is launching an aftermarket autopilot system called the RP1 for $10,000, with deliveries starting in 2015.
The RP1 is designed for 2012 and newer Audi A4 and S4 models. Although, Cruise CEO Kyle Vogt told Autoblog in an email: "There's no reason we can't expand to other cars, and we will." The system includes a sensor pod on the roof containing cameras, radar and other sensors to scan the road ahead. It then sends data to a small computer mounted on the side of the trunk. The desired inputs are then made by actuators for the steering, brakes and throttle to control the car. A button in the cabin activates the autopilot and controls the desired speed. Not completely unlike Audi's own, developmental, semiautonomous system.
At this point, the RP1 is somewhere between an adaptive cruise control system and an autonomous vehicle. It can control all of the cars inputs and even bring it down to a complete stop and then accelerate again. However, it only works on select highways in California. "We use geofencing to limit the areas of operation to segments of highway in which we've collected enough data to ensure our customers' safety," said Vogt to Autoblog.