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The skinny on Delphi's autonomous road trip across the United States [w/videos]

Rolling out of an S-shaped curve along Interstate 95, just past Philadelphia International Airport, the final obstacle between the autonomous car and its place in history appeared on the horizon. So far, the ordinary-looking SUV had traversed the United States without incident. It had gone through tunnels and under overpasses. It circled roundabouts and stopped for traffic lights. Now, on the last day of a scheduled nine-day journey, it was poised to become the first autonomous car ever to complete a coast-to-coast road trip. First, it needed to contend with the Girard Point Bridge. Riding in a rear seat, "I saw that bridge coming, and I thought, 'Oh my gosh, this is going to be a grab-the-wheel moment," said Kathy Winter, vice president of software at Delphi Automotive. The car, an unassuming Audi SQ5 nicknamed Roadrunner, had been well-tested. Back in January, a few inebriated pedestrians fell flat in front of the car during a demonstration in Las Vegas. It was the quintessential worst-case scenario, and the car admirably hit the brakes. More than drunken louts, bridges present a sophisticated challenge for the six radar sensors that feed data to the car's internal processors. Instead of sensing solid objects, radar sensors can read the alternating bursts of steel beams and empty space as conflicting information. "They're a radar engineer's worst nightmare," said Jeff Owens, Delphi's chief technology officer. Girard Point Bridge, a blue skeleton of girded steel that spans the Schuylkill River, might be a bigger challenge than most. Traveling across the lower level of its double decks, the autonomous car's radar sensors had to discern between two full sets of trusses. Cross the Schuylkill, and Delphi's engineers felt confident they'd reach their destination: the New York Auto Show. For now, the sternest test of the trip lay directly in front of them. A Data-Mining Adventure Until that point, the toughest part of the journey had been finding an open gas station in El Paso, TX. Trust in the technology had already been established. The main reason Delphi set out on the cross-country venture with a team of six certified drivers and two support vehicles was to capture reams of data. What better way to do that than dusting off the classic American road trip and dragging it into the 21st century? They did exactly that, capturing three terabytes worth of data across 3,400 miles and 15 states.

2016 Audi A8 L 4.0T Sport bridges the gap to S8

Want to get your hands on an Audi S8, but can't quite make the stretch? You may be interested, then, in the newest addition to the A8 family. Because it just may be the next best thing. As the moniker suggests, the 2016 Audi A8 L 4.0T Sport packs a similar 4.0-liter twin-turbo V8 to the one in the S8 (and the Bentley Continental GT for that matter). But instead of 520 horsepower, it's tuned to produce a somewhat more modest 450. That's also less than the 500 hp offered in the W12 model, but then the V8 engine is a fair bit lighter, and it produces 15 more horses than the previous 4.0T model. Along with the upgraded engine comes a sportier look, with larger air intakes at the front, more sculpted side sills, and 20-inch (or available 21-inch) alloys. It also comes standard with the Executive and Luxury packages, complimented by diamond-quilt stitching, and a headliner upholstered in Alcantara with a panoramic sunroof. Of course, it's also priced a fair bit lower than the aforementioned more powerful versions: $90,500 (plus $925 destination) is a relative bargain compared to the $114,900 commanded by the S8 and $137,900 for the A8 L W12. Audi has yet to release performance figures, but we'd expect it to drop a tenth or so off the 4.4-second 0-60 sprint achieved by the previous, 435-hp model. Those looking for more power than the S8, not less, may still hold out hope for the S8 Plus with its 605 hp to make its way to US showrooms. Related Video: Audi introduces 2016 A8 L 4.0T Sport model October 26, 2015 | HERNDON, Virginia - New Audi A8 L 4.0T Sport model achieves 450 hp through an enhanced 4.0T twin turbo V8 - Sport style exterior with muscular front fascia creates a striking presence on the road - Interior features panoramic sunroof, acoustic glazing on windows and Alcantara headline Featuring more power and enhanced luxury inside and out, the Audi A8 L 4.0T Sport model enters the Audi lineup for 2016. The variant of the Audi A8 flagship sedan boasts an enhanced 4.0T twin turbo V8 engine achieving an impressive 450 hp, an increase of 15 hp from the previous 4.0T model. The Sport model also includes a muscular front fascia with larger air intakes for a more commanding presence on the road. The bumper of the A8 L 4.0T Sport has been lowered for a more performance-oriented look and the sides of the sedan have been given more prominent rocker panels to give the vehicle a wider stance.

Audi SQ7 coming, will have electric turbo

Formula 1 and endurance racing are already harvesting energy from turbos on the track, and now it's apparently time for a similar idea of boosting the efficiency of forced induction to hit the streets in a high-performance, diesel SUV.
In a recent interview with the UK's Autocar, Audi technical boss Dr. Ulrich Hackenberg let the big news slip. "The new Q7 will be available in the market next year but the electric turbo will come a bit later in the Audi SQ7 available in 2016," he said. The e-turbo system was already rumored for the premium SUV but for the standard model, not this just-announced performance version.
Audi has been experimenting with the e-turbo system for a little while, as an electrically driven supercharger. It showed up on the RS5 TDI concept that used a 3.0-liter, twin-turbocharged diesel V6 plus the electric system to diminish turbo lag. In that application, it provided an impressive 385 horsepower and 553 pound-feet of torque and an alleged sprint to 62 miles per hour in 4 seconds. Although, Dr. Hackenberg didn't make it clear if this was the exact layout for the SQ7.