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EPA discovers defeat device in more VW TDI engines

In a sternly worded letter, the United States Environmental Protection Agency has issued a new set of allegations against Volkswagen claiming that so-called emissions defeat software has been found in the company's 3.0-liter TDI V6 diesel engines. This is a completely different engine than the 2.0 TDI that has already been identified as an emissions cheater. In addition to VW, the EPA has included Audi and Porsche in this notification, as the non-compliant engine has been used in vehicles from all three manufacturers from model years 2014 through 2016. The EPA claims that cars equipped with the 3.0 TDI engine know when they are being tested for emissions, and their on-board computers switch into a mode designed to pass the stringent requirements in the United States for diesel exhaust. Vehicles sold in the United States with this engine include the 2014 VW Touareg, 2015 Porsche Cayenne, and 2016 Audi A6, A7, A8L and Q5. The EPA says there are 10,000 vehicles currently on the road with this second defeat device, along with an unknown number of 2016 models either on dealer lots or in the driveways of consumers. According to the EPA, VW's 3.0-liter TDI, like the 2.0 TDI that was found to circumvent US regulations, has code in its computer specifically written to intentionally put the vehicle's engine into a mode that allows it to meet exhaust requirements. When the vehicle is unhooked from testing equipment, it will go back into a mode that emits nine-times higher nitrogen oxide emissions than is allowable under US law. "VW has once again failed its obligation to comply with the law that protects clean air for all Americans," said Cynthia Giles, Assistant Administrator for the Office for EPA's Enforcement and Compliance Assurance. "All companies should be playing by the same rules. EPA, with our state, and federal partners, will continue to investigate these serious matters, to secure the benefits of the Clean Air Act, ensure a level playing field for responsible businesses, and to ensure consumers get the environmental performance they expect." Richard Corey, Executive Officer of the California Air Resources Board, said in a statement, "Today we are requiring VW Group to address these issues. This is a very serious public health matter. ARB and EPA will continue to conduct a rigorous investigation that includes testing more vehicles until all of the facts are out in the open." This story will be updated as new information becomes available.

Winterkorn vacates chairs on Audi, Truck & Bus boards

The last remaining vestiges of Martin Winterkorn's power within the Volkswagen Group are slowly melting away. The former chairman of the group's management board resigned as CEO nearly two months ago in the wake of the diesel emissions scandal. He held onto other roles within the group, but one by one he's been vacating those as well. Last month Winterkorn resigned from his role at Porsche SE – Volkswagen's largest shareholder. Now the latest development comes from Bloomberg, which reports that Winterkorn has stepped down from his role as chairman of the supervisory board at Audi. Prior to his promotion to run the entire group, Winterkorn served as chief executive of the Audi division, and prior to his resignation served continued to serve as its board chairman. No date was given for his resignation from that capacity, nor any successor named at this point. Repeated requests for clarification from Audi have gone unanswered. In correspondence with Autoblog, however, spokespeople for VW's commercial vehicle operations confirmed that Winterkorn has also stepped down as the chairman of the board at Truck & Bus GmbH. The newly established division encompasses truck manufacturers Man and Scania. Winterkorn also served as chairman of Scania's board, but requests for confirmation of his departure from that role also went unanswered. The Swedish truck manufacturer, however, named Henrik Henriksson as its a new chief executive only a few days ago.

Volkswagen rules out Eos successor

When Volkswagen introduced the Eos back in 2006, hard-top convertibles were all the rage – in North America, in Europe and around the world. But the trend, billed at the time as the best of both worlds, has long since subsided, leading to VW axing the Eos several months ago. And don't count on it getting a successor at some point down the line, either. At the Detroit Auto Show earlier this week, VW R&D chief Heinz-Jakob Neusser told Autocar that the Eos is down for the count. In fact it is "maybe the first model we take out of the market" in a reversal of the momentum that has seen the German automaker expand its lineup incrementally over the past several years – although the Chrysler-built Routan minivan was also canceled around the same time. The place the Eos occupied in VW's North American lineup is largely being taken by the more charismatic Beetle Convertible, and in Europe and other markets by the Golf Cabriolet that's still based on the previous-generation hatchback. The Eos, however, isn't the only hard-top convertible withdrawn from the market in recent years. Tin-top cabrios like the Lexus IS and SC, Cadillac XLR, Chrysler 200, Pontiac G6 and Volvo C70 have all gone the way of the dodo – as have Euro-market coupe-convertibles versions of models like the Ford Focus, Opel Astra, and Peugeot 207. The arrival of the Buick Cascada just goes to show that soft-roofed convertibles have won out, particularly as far as four-seat cabrios are concerned. The one notable exception where folding hard-tops are still gaining traction is among mid-engined exotic supercars like the Ferrari 458 and McLaren 650S, both of which opted for solid folding roofs instead of fabric ones. We've yet to see, however, which approach Lamborghini will take with the Huracan Spyder or Audi will with the next-generation R8, the predecessors of both of which featured fabric roofs.