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Watch Stanford's self-driving Audi hit the track

Sending a self-driving race car around a track with nobody inside seems pointless – there's no driver to enjoy the ride, and the car certainly isn't getting a thrill out of it. But the students performing research with Stanford University's Audi TTS test rig "Shelley" (not to be confused with Audi's own self-driving race cars) are getting a kick out of the numbers generated by the machine. "A race car driver can use all of a car's functionality to drive fast," says Stanford Professor Chris Gerdes. "We want to access that same functionality to make driving safer." The teams push the car to speeds over 120mph and the computers have executed lap times nearly as fast as professional drivers. However, they also spend a lot of time maneuvering at 50 to 75 mph, the speeds where accidents are most likely to happen. That way, the students can figure out how to incorporate braking, throttle and maneuvering to develop new types of automatic collision avoidance algorithms. Better technology, for instance, could have saved Google from a recent slow-speed accident where its vehicle was struck by a bus. During race days, students break into teams to perform different types of research. "Once you get to the track, things can go differently than you expect. So it's an excellent lesson of advanced planning," says Gerdes. In the latest rounds of testing, for instance, one PhD student developed emergency lane-change algorithms, while another recorded a skilled human driver in an attempt to convert his behavior into a driving algorithm. The main goal, of course, is to prepare students for something they may not have expected -- an automotive industry that is adopting self-driving technology at breakneck speeds. This article by Steve Dent originally ran on Engadget, the definitive guide to this connected life. Green Audi Technology Coupe Autonomous Vehicles Racing Vehicles Performance Videos racecar research

2015 Audi A8 and S8 get some new goodies

Luxury car buyers are a demanding bunch. They've got this crazy notion that just because they're spending the better part of a hundred grand on a top-tier luxury sedan, they should get the very best and the cutting edge of what the industry has to offer. That has tended to come down to the S-Class even when it had grown long in the tooth, and now that Mercedes-Benz has rolled out an all-new version, the competition is falling all over itself to release updates to keep their flagship sedans in the running. Jaguar did that just yesterday with its XJ sedan, and now Audi has revealed the latest revisions to its A8 range.
Set to debut at the Frankfurt show in just a few weeks from now, the latest A8 (and its performance version, the S8) benefits from a series of stylistic, powertrain, and technology upgrades. Among the most prominent, of all things, are the new Matrix LED headlights that can automatically lower the high-beams for oncoming vehicles, with integrated turn signals that light up to point in the direction the driver's about to turn. But that's hardly the end of the story.
Audi has apparently reduced the output on the 3.0-liter supercharged V6 to from 328 horsepower to 310 but raised the 4.0-liter twin-turbo V8 from 414 hp to 435, which now offers a 0-60 run of just 4.5 seconds. That's just three tenths behind the S8, which remains unchanged at 513 hp, as does the 493-hp 6.3-liter W12. The 3.0-liter TDI is up from 247 hp to 258, the 4.2-liter TDI grows from 345 hp to at 385 (with a massive 627 pound-feet of torque to boot) and the hybrid that offers a combined 245 hp and 354 lb-ft. That makes for one massive array of engines globally, although only some of them will be offered Stateside. Each is mated to an eight-speed automatic transmission and Quattro all-wheel drive, but thanks to the A8's lightweight construction, it's lighter than any other all-wheel-drive model in its class.

Latest Forza Motorsport 5 car pack leaves us scratching our head (in a good way) [w/video]

As we scrolled down the roster of the latest car pack for Forza Motorsport 5, the Hot Wheels Car Pack, our expression became bemused over the strange mix of vehicles that we now have at our disposal. This is quite unlike any of the other sets of DLC Turn 10 Studios has offered. Sure, there are the typical headliner cars – the Lamborghini Veneno and 2015 Audi S3 – that will appeal to the mainstream racing fan or auto enthusiast. But this latest car pack is so jammed full of nuggets of automotive weirdness that it's hard not to get excited. The Hot Wheels pack has no shortage of racers, with a particular focus on historical offerings. A 1939 Auto Union Type D covers the pre-war era of Formula One, while a 1967 Lotus 49 and a 1952 Ferrari 375 represent post-war racing. For a modern twist, a Mazda USF2000 car slots in below the Indy Lights car from the Nurburgring booster pack. From here, things get vintage and weird. There are a pair of delightfully offbeat coupes, in the form of a 1974 Toyota Celica GT and a 1973 Ford XB Falcon GT (here's hoping we get a vintage Holden Monaro in the future). Those two are joined by a 1956 Ford F-100, which your author already plans on converting into a dragster with vinyl flames down the side (because that's what all vintage pickups should be). The new ride we're most excited about, though, is the 1983 GMC Vandura G-1500. Yes, that's the van from The A-Team, and we're sure it will prove to be an excellent canvas for the artists of FM5 to cover with airbrushed, fire-breathing unicorns and mystical, gray-haired wizards (or just poorly painted letters that read "Free Candy"). This latest car pack is the final monthly car pack for FM5, although Turn 10 is quick to point out that while the monthly updates are over, there will still be new batches of cars made available to gamers. As for the Hot Wheels pack, it's available now on Xbox Live for $9.99. Scroll down for the press release from Turn 10 Studios, as well as a video of the newest additions to Forza Motorsport 5's vehicle roster. Forza Motorsport 5 Hot Wheels Car Pack Now Available Turn 10 Studios is bringing the Hot Wheels® Car Pack to "Forza Motorsport 5," available for download today. The pack features a collection of vehicles built from the ground up for the new generation that car fans can collect and customize while putting their virtual driving skills to the test.