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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 Group Chairman Ferdinand Piech resigns

Ferdinand Piech, Volkswagen Group's chairman of the supervisory board, has resigned from the company. His wife, Ursula, has also left her position on the board. A statement put out by VW in German said the move was due to the fact that "mutual trust is no longer present," and the board's deputy chairman, Berthold Huber, will be interim chairman. It's been just two weeks since Ferdinand Piech told Germany's Der Spiegel magazine that he didn't want Group CEO Martin Winterkorn to become the next chairman and that he was keeping the CEO at a distance. That public comment surprised just about everyone, and led to a meeting in Piech's office in Austria. The leadership committee supported Winterkorn, and that was backed up by official, pro-Winterkorn messages from VW labor leaders and the German state of Lower Saxony. After that meeting, Piech agreed to support Winterkorn in public, but it was widely suspected that the fight wasn't over. Now it might be. This is not a changing, but rather an explosion of the guard. Piech lived for VW, and he and his Porsche kin still have a 51-percent stake in the Volkswagen Group. Frankly, we have a feeling that this still isn't over. The official statement from VW in English is below. Statement of the Executive Committee of the Supervisory Board of Volkswagen AG Wolfsburg, 25 April 2015 -- The Executive Committee of the Supervisory Board of Volkswagen AG discussed again today in detail the situation of the Volkswagen Group. 1.: The members of the Executive Committee have unanimously determined that in view of the background of the last weeks the mutual trust necessary for successful cooperation no longer exists. 2.: For this reason Professor Dr. Ferdinand K. Piech has resigned with immediate effect from his position as Chairman of the Supervisory Board and from all his mandates as a Supervisory Board member within the Volkswagen Group. In addition, Ms. Ursula Piech has resigned with immediate effect from all her Supervisory Board mandates within the Volkswagen Group. 3.: The position of Chairman of the Supervisory Board will be temporarily assumed by the Deputy Chairman Berthold Huber. Mr. Berthold Huber will chair both the Supervisory Board meeting on May 4 as well as the Annual General Meeting on May 5, 2015. 4.: Under the chair of Mr. Berthold Huber the representatives of shareholders and employees will in close cooperation determine the candidate for the new Chairman of the Supervisory Board.

More German automakers may be afoul of US emission standards

Volkswagen has plenty of smoke to share, and that may mean fire for other German automakers that make diesel vehicles, says Automotive News. Earlier this month, European Federation for Transport and Environment said that BMW, Daimler's Mercedes-Benz and General Motor's Opel division are among other automakers that may have equipped their vehicles' diesel engines with similar software as VW's. That software was found to reduce emissions while a car is being tested for emissions and shuts down emissions-control systems during normal use. The European environmental group used data from the International Council on Clean Transportation. Automotive News notes that the European environmental group put out its own report earlier this month, before the VW scandal broke loose, but the report was pretty much overlooked. Now, VW is under fire after it was discovered that 2.0-liter diesel engines in the VW Jetta and Golf, and Audi A3, may be programmed to game the emissions system. VW sold almost a half-million diesel vehicles in the US during the past six years. Both BMW and Mercedes-Benz told Automotive News that the issue that befell VW doesn't apply to their diesel vehicles. Earlier this week, Volkswagen admitted its car ran the sneaky software, while the US Environmental Protection Agency (EPA) has started a probe on the company. VW is setting aside more than $7 billion to pay for the alleged violations. Meanwhile, US taxpayers may have spent as much as $51 million a year to pay for subsidies related to VW's diesel vehicle sales in 2009 alone, according to the Los Angeles Times.