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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.

Horn, Hackenburg, Hatz to be fired as VW diesel scandal deepens

Volkswagen will sack three more high ranking executives, including the head of its US division, as the company's diesel scandal deepens. Reuters reported Thursday morning that the executives are: Michael Horn, who has led VW's US operations since January 1, 2014; Ulrich Hackenberg, who oversaw Audi's research and development; and Wolfgang Hatz, who was in charge of R&D for Porsche. A VW spokesman wouldn't comment in response to an Autoblog email. The moves come in the wake of longtime VW chief executive Martin Winterkorn stepping down on Wednesday. Volkswagen's board said at the time that it expected more personnel changes to follow. Volkswagen's board is scheduled to meet Friday, and Porsche CEO Matthias Muller has reportedly been named as Winterkorn's successor. The German auto giant was plunged into crisis last Friday when the EPA charged that the company manipulated software in its diesel-powered cars to pass US emissions tests. About 482,000 vehicles in the US are affected, and VW estimates 11 million around the world could have the rigged software. The revelations have prompted outcry from governments and regulatory agencies, and in the US, Volkswagen could face a fine of up to $18 billion. The departure of Horn, Hackenberg, and Hatz is a stunning downfall for three of the company's top and most visible executives. Horn had led US operations for less than two years, taking over from Jonathan Browning, who was well-respected but failed to reach VW's ambitious sales targets. Before overseeing Audi R&D, Hackenberg was hailed as a visionary for work in developing VW's modular architectures, which allow the company to save time and money by building many vehicles off the same chassis. Hatz had led Porsche R&D since 2011 and also was in charge of engines and transmission development for all of Volkswagen. Related Video: News Source: ReutersImage Credit: Getty Images Government/Legal Green Hirings/Firings/Layoffs Audi Porsche Volkswagen Emissions Diesel Vehicles vw diesel scandal vw diesel ulrich hackenberg michael horn wolfgang hatz

Trump turns his unpredictable ire towards German carmakers

President-elect Donald Trump likes to be unpredictable. During the election, he used the phrase in reference to foreign policy and dealing with terrorism. But he's using the same tactic with the automotive industry, making broad statements that send manufacturers into emergency-response mode. The latest salvo comes from an interview with Germany's Bild, where Trump threatened a 35-percent import tax on German manufacturers. ( Reuters covers the highlights in English here.) "If you want to build cars in the world, then I wish you all the best. You can build cars for the United States, but for every car that comes to the USA, you will pay 35 percent tax," Trump said. Trump's comments seem to be directed at manufacturing in Mexico, although it's unclear if the comments refer to any import from a German automaker or just those from south of the border. BMW is building a $1-billion plant in San Luis Potosi, Mexico, where it plans to assemble the 3 Series. Mercedes-Benz is joining up with Nissan to build a new facility in Aguascalientes near the Japanese company's existing factory. And Volkswagen recently expanded its massive footprint in Puebla to build the new Tiguan as well as a separate factory for the Audi Q5. Reuters states that Trump thinks there's not enough reciprocity between Germany and the United States, as Germans don't buy Chevrolets at the rate American buy Mercedes-Benz Vehicles. At present, only the Corvette and Camaro are sold in Germany. The German subsidiary of Chevrolet parent General Motors, Opel, is the fifth-ranked automaker in the European Union, ahead of FCA but trailing Ford, VW, and both French auto companies. In response to Trump, Germany's deputy chancellor (Chancellor Angela Merkel is shown above) and minister for the economy, Sigmar Gabriel, did not mince words. As reported by The Guardian, Gabriel said "The US car industry would have a bad awakening if all the supply parts that aren't being built in the US were to suddenly come with a 35% tariff. I believe it would make the US car industry weaker, worse and above all more expensive." Asked what it would take for Germans to buy more American vehicles, he said "Build better cars." Gabiel also noted that BMW's largest plant is already in the US. The Spartanburg, SC plant exports about 65 percent of its 400,000-unit annual production to foreign markets and directly employs 8,000 workers according to BMW.