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VW decides against active-cooling system for e-Golf lithium battery

When the 2015 VW e-Golf was introduced at the LA Auto Show last year, VW said it would come with a water-cooled battery. During the Detroit Auto Show, when the car was trotted out again, VW released a new press release that stripped out the "water-cooled" language, but this change went unnoticed. During a recent VW event in Germany, a friend from Green Car Reports realized that the battery on display did not seem to have any water-cooling mechanisms. That set us off on a bit of a sleuthing and we have now learned that VW is not going to include any active cooling in the upcoming e-Golf. In fact, the company is entirely confident that this car - because of what it's designed to do - doesn't need it. "The need for a cooling system wasn't there" - VW's Darryll Harrison VW has been working on an electrified Golf for ages now, and so changes to the plan are to be expected. But battery cooling is vitally important not just to keep the car operating properly but because when things get too hot, there can be serious public relations problems. Nissan began testing a new battery chemistry for the Leaf in 2013 after an uproar from warm-weather EV drivers in Arizona who were experiencing worse-than-expected battery performance. The Leaf has always used an air-cooled battery, which is another way to say that there is no active cooling system (more details here). Tesla CEO Elon Musk once said this approach is "primitive." So, why is VW following the same path? We asked Darryll Harrison, VW US's manager of brand public relations west, for more information, and he told AutoblogGreen that VW engineers discovered through a lot of testing of the Golf Mk6 EV prototypes, that battery performance was not impacted by temperatures when using the right battery chemistry. That chemistry, it turns out, is lithium nickel manganese cobalt oxide (NMC) in cells from Panasonic. These cells had "the lowest self-warming tendency and the lowest memory effect of all cells tested," Harrison said. He added that VW engineers tested the NMC cells in places like Death Valley and Arizona and found they didn't warm very quickly either through operation, charging (including during fast charging) or through high ambient temps. "The need for a cooling system wasn't there," Harrison said.

VW's Winterkorn to stick around through at least 2018

Volkswagen may yet to have found a new chairman, but it's not about to get rid of its chief executive any time soon. The German automaker has announced its intention to renew Martin Winterkorn's contract through the end of 2018. That is, assuming that the Supervisory Board heeds the recommendation of its own Executive Committee when the full 20-member board meets on September 25. 68-year-old Winterkorn joined the Volkswagen Group back in 1993 after a decade and a half at Bosch. He was named head of Audi in 2002, and chairman of the Board of Management (effectively the chief executive officer) of the entire Volkswagen Group in 2007. Just a few months ago he faced off against Ferdinand Piech – chairman of the company's supervisory board and grandson of Ferdinand Porsche – that resulted in Winterkorn's victory and Piech's resignation. The executive committee's endorsement, then, is effectively a vote of confidence in Winterkorn's leadership. It still leaves unresolved the question of who will ultimately take over as chairman to succeed Piech. Winterkorn was touted for a potential promotion, but if the supervisory board renews his contract – currently set to expire next year – he'll be staying right where he is and a new chairman will need to be found. The chair is currently filled on an interim basis by Berthold Huber, former head of the union that was instrumental in Piech's ousting. Wolfsburg, 02 September 2015 Resolution of the Executive Committee of the Volkswagen AG Supervisory Board The Executive Committee of the Supervisory Board of Volkswagen AG unanimously agreed a resolution for submission to the Supervisory Board at its meeting on September 25, 2015 under which a new contract as Chairman of the Board of Management of Volkswagen AG for a term until December 31, 2018 should be concluded with Professor Dr. Martin Winterkorn. "Together with Professor Martin Winterkorn at the helm we will continue on our successful path of recent years and systematically implement the goals of Strategy 2018", Berthold Huber, Chairman of the Supervisory Board of Volkswagen AG, said.

Italian investigators search Lambo headquarters in VW probe

Italian investigators searched Lamborghini headquarters on Oct. 15 to look for evidence of managers' involvement in Volkswagen's emissions cheating. VW's main office in Verona was also inspected, according to Reuters. Lamborghini is owned by Volkswagen, and Lambo in turn is listed as the owner of VW Group Italia. Authorities wanted to find out if employees were conscious that the vehicles were skirting emissions rules. "It is one thing if I sell water and pretend it's wine, but if I sell water believing it is wine it's different." Verona chief prosecutor Mario Giulio Schinaia said to Reuters. Italian newspaper Gazetta del Sud reported that several managers in Italy were under investigation for alleged fraud. Prosecutors in Germany have also been rigorously investigating VW, and they recently staged a similar raid on the company's headquarters in Wolfsburg, Germany. The automaker reportedly turned over documents and other data relating to the software defeat device. Meanwhile, VW's internal investigation has turned up little wrongdoing, though a recent leak suggested otherwise, and at least 30 managers could have known about the defeat device. The automaker has disputed that figure. Volkswagen of America CEO Michael Horn testified before Congress that he believed only a few individuals were involved. The situation hasn't been easy on VW in the US, either. The Department of Justice has also been pursuing an investigation into the automaker. Plus, state attorneys general are filing lawsuits against the company for defrauding customers. VW has until Nov. 20 to explain a repair for the problem to the California Air Resources Board. Related Video: