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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.

Are more diesel scandals about to erupt?

More automakers may soon be embroiled, like Volkswagen, in diesel emissions scandals. According to the Daily Kanban, either the International Council on Clean Transportation (ICCT) or the Deutsche Umwelthilfe (DUH) will soon announce from 10 to 15 more cases of automakers cheating national diesel emissions rules. The outlet says three of the incidents are attributed to Opel. Studies conducted by the DUH, the University of Applied Sciences in Bern, Switzerland, and the UK's Leeds University found that Opel's diesel Zafira, Corsa, and Vectra models emit more NOx than European regulations allow when tested in ways that go beyond the European testing protocol, such as when done on a four-wheel rolling road instead of a two-wheel rolling road. Opel said the accusations had no merit. Specifically on the Zafira, the DUH asked Opel about the emissions findings, and Opel said that no General Motors software contains any measures to enable cheating. Opel then tested a Zafira of its own "both on a two- and a four-wheel roller dynamometer," finding that "The emission behavior determined in each case does not differ from one another." That makes this a case of he-said-she-said for the moment. The Daily Kanban's sources say the cheating methods "range from the crude to the highly sophisticated," with those at the latter end complex enough to render Volkswagen's methods "pedestrian." As for any automakers who might be named, the matter of real-world emissions exceeding a legal limit doesn't mean a carmaker has designed systems that cheat, it might mean the company designed the car to pass a test. Related Video: News Source: Daily KanbanImage Credit: PATRICK PLEUL/AFP/Getty Images Government/Legal Green Volkswagen Opel Emissions Diesel Vehicles vw diesel scandal icct

Volkswagen names Piech's nieces to supervisory board

Volkswagen was left with two vacancies on its supervisory board after Ferdinand Piech and his wife Ursula were forced out a few days ago, and now it's filled them. Intriguingly, however, both of the new directors are Piech's nieces. The most obvious connection is Julia Kuhn-Piech, a real-estate professional who has sat on the board of VW's Man truck subsidiary since last year. Kuhn-Piech, 34, is the daughter of Ferdinand's younger brother Hans-Michel Piech (and by extension, niece of the ousted chairman). The other seat is being filled by Dr. Louise Kiesling, 57, a designer and daughter of Ferdinand's late older sister Louise Daxer-Piech. Keeping track of the lineage of the Porsche-Piech clan can be confusing, particularly with so many Ferdinands and Louises, but it breaks down essentially as follows: All are descended from Ferdinand Porsche, founder of the eponymous automaker and credited as the designer of the original Volkswagen Beetle. Porsche had a son and a daughter, the latter being Louise Porsche, who married Anton Piech and had four children: Ernst, Louise (mother of incoming board member Louise Kiesling), Ferdinand (the ousted chairman) and Hans Michel, father of the other incoming board member Julia Kuhn-Piech and a board member of both the Volkswagen Group and Porsche SE as well. The Piech and Porsche families control Porsche SE, which holds 50.7 percent of shares in the Volkswagen Group, which in turn owns Porsche the automaker. With all that in mind, appointing other members of the Piech-Porsche clan to the board follows logically enough - particularly since other members of the family helped oust Ferdinand from the chairmanship in the first place. The nominations, incidentally, also help VW increase its proportion of female board members. The two incoming Piechs will join Annika Falkengren of Swedish bank SEB and Babette Frohlich of the same IG Metall union as the board's interim chairman Berthold Huber. Wolfsburg, 30 April 2015 Dr. Louise Kiesling and Ms. Julia Kuhn-Piech appointed new members of the Supervisory Board of Volkswagen AG Upon application by the Board of Management of Volkswagen AG, Dr. Louise Kiesling and Ms. Julia Kuhn-Piech were today appointed members of the Supervisory Board of Volkswagen AG by Braunschweig Local Court with immediate effect. The appointments were made pursuant to Section 104 of the Aktiengesetz (German Stock Corporation Act) and were occasioned by the recent resignations of Prof. Ferdinand K.