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West Virginia researcher describes how Volkswagen got caught

The cheating scandal engulfing the world's largest automaker started with a road trip. In the spring of 2014, researchers from West Virginia were evaluating the tailpipe emissions of diesel cars made for the American market by European manufacturers, something never before studied in the academic realm. Excited by the prospect of breaking new ground, the team of two professors and two students wanted to gather as much data as possible. "And being academics, we went a little overboard," said Arvind Thiruvengadam, one of the students. "Being academics, we went a little overboard." Overboard included driving the cars for more miles than they needed to test and verify results. Drivers put about 1,500 miles on each of the first two cars in the study, a Volkswagen Jetta and BMW X5, along California roadways. For their final car, a Volkswagen Passat, they wanted even more mileage. So they took the car on a road trip from Los Angeles to Seattle and back again, collecting data from more than 2,000 miles of testing. The road trip was Volkswagen's undoing. When the West Virginia team returned to Los Angeles, they were befuddled by the test results. In theory, the Passat should have spewed the lowest levels of pollutants among the three cars. Equipped with the more modern selective catalytic reduction technology, the team expected to find minimal levels of nitrogen oxide. But the car, which had been certified at a California Air Resources Board facility prior to the start of the road trip, had elevated levels of NOx that were 20 times the baseline levels established beforehand. The researchers, comprised of professors Gregory Thompson and Dan Carder and students Marc Besch and Thiruvengadam, knew their on-board equipment functioned properly because, early in their research, they had double-checked its accuracy after recording sky-high NOx readings from the Jetta that showed 30 times the level of its baseline testing at the CARB facility. It was particularly noteworthy because the Jetta contained the first-generation Lean NOx Trap technology, not the more efficient SCR, yet both produced large discrepancies. The BMW, on the other hand, performed as expected. Today, Thiruvengadam is careful to say the research team never suspected Volkswagen of cheating on emissions testing, nor did the researchers report such a finding. They merely reported their findings to CARB officials who then further investigated.

Volkswagen Beetle Special Edition Concepts consider some colorful possibilities

Volkswagen is using the 2015 New York Auto Show as an opportunity to check consumer reactions to possible special editions of the Beetle. The company's concepts are each aimed at different market niches, and they play up the idea of the car as a fashion accessory as much as a mode of transportation. VW does the most work to the Beetle R-Line concept for performance-minded buyers. Covered in Oryx White Pearl, the model is 0.6-inches wider than stock and wears a more aggressive front bumper with larger intakes. There's even a vent at the tip of the hood sort of like a Porsche 911 GT3. The pearlescent paint really pops thanks to some gloss black trim that covers a rear diffuser and the edges of the spoiler. For the other three concepts, VW tests out some new colors and trim for the Beetle. For example, the company thinks there's demand in the US and China for pink to be added to the palette, and the Pink Color Edition tries that out with a metallic shade. The Convertible Wave is painted in Habanero Orange Metallic but also has retro touches like chrome mirror caps, houndstooth fabric for the seats and a wood dashboard. Finally, the Convertible Denim takes inspiration from a pair of jeans. For a closer look at the colorful members of this quartet check out the gallery from the floor of the New York show. Featured Gallery Volkswagen Beetle Special Edition Concepts: New York 2015 View 15 Photos Related Gallery Volkswagen Beetle Concepts View 12 Photos Image Credit: Live photos copyright 2015 Drew Phillips / AOL Design/Style New York Auto Show Volkswagen Convertible Hatchback Concept Cars Videos 2015 ny auto show

Volkswagen hatches hotter GTI in Geneva

The all-new seventh-generation Volkswagen Golf hasn't even launched here in the United States, but over in Geneva, we're already getting our first glimpse at the hotter GTI hatchback. The fancy new Mk VII Golf is already off to a healthy start with positive reviews in Europe, and we have no doubt that this next GTI will work hard to regain its title as king of the hot hatches.
The big news for this generation of GTI is that for the first time ever, Volkswagen is actually offering two different power grades for the model, both relying on the 2.0-liter turbocharged inline-four. Standard cars pack 220 horsepower and 258 pound-feet of torque, but an optional performance pack ups the horsepower number to 230. Hitting 60 miles per hour takes 6.5 seconds (6.4 with the performance pack) and top speed is quoted at 153 mph (or 155 with the performance kit). Volkswagen will continue to offer the GTI with both six-speed manual and dual-clutch transmissions.
On the visual front, the sub-3,000-pound GTI adds the usual bit of hot hatch aggression over the standard Golf, and those changes carry over to the interior with a flat-bottomed wheel and, of course, plaid seats. She's certainly a looker, and while some of us do find the new Golf's design to be a bit staid and evolutionary, the enhancements for the GTI indeed tug on our enthusiast heart strings.