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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.

The not-Subaru crossover wagon | 2017 Volkswagen Alltrack First Drive

Funnily enough, in light of dieselgate, Volkswagen is one of the few brands (along with Volvo and Subaru) to preserve the notion that you don't need a fuel-sucking SUV to meet your life-carrying needs. And, yes, VW's history of addressing off-road desires with all-wheel-drive dates to the mid-1980s with the Quantum Syncro (a.k.a. Passat) and Golf Country – the latter, sadly, never came stateside. The latest offering toward this effort is the 2017 Volkswagen Alltrack. What's an Alltrack? It's a slightly lifted, cladded, and butched-out version of the Golf Sportwagen (yes, formerly known as a Jetta). Not to steal Alltrack's thunder, but starting in 2017 you can also get the standard Sportwagen with 4Motion AWD, which is basically the same running gear for less money. The Alltrack starts at $26,950; the 4Motion Sportwagen starts at $24,930, both with the dual-clutch automatic available at launch. Any discussion of tall wagons brings Subaru immediately to mind, both with the Outback and the Impreza-based Crosstrek. The Volkswagen Alltrack sits between the two in size at 180.2 inches long – 5 more than the Crosstrek and 9.4 inches shorter than the Outback. The 2017 Subaru Outback starts at $25,645, and VW's comparisons focus on the Outback, which is understandable given the similar starting price. A bare-bones Crosstrek starts at $22,245, but quickly gets into Golf price overlap. The Alltrack and the 4Motion Golf Sportwagen are superior daily drivers to the Subaru, whether you're doing an emergency lane change or just trying to merge onto the interstate. Meanwhile, the Crosstrek doesn't have the refinement of the VW. Can we fault Subaru though? It's set a sales record every year in a row since 2010 and is looking at about triple the sales volume of VW's Golf for 2016. So we'll stick to telling you what we think of the Alltrack and let the dealers fight for your dollars. First thing's first. Yes, you can have the Golf Sportwagen and even the Alltrack with a manual six-speed gearbox. The seven-speed DSG automatic is very good, but it's worth noting that any manual gearbox is a rarity these days, especially when we're not talking about a two-seat sports car. You will have to wait until early 2017 for that option, but it also saves you $1,100 off both models. Second, the Alltrack and 4Motion Sportwagens get identical engines. Whether manual or DSG, VW's EA888 turbocharged 1.8-liter four-cylinder is under the hood.

VW execs didn't think diesel problem would be so serious

Volkswagen Group has admitted that former chairman Martin Winterkorn received two memos about the diesel scandal in 2014. Top execs ignored the problem because they didn't think it was a serious issue. VW disclosed these details to counter allegations in a German shareholder lawsuit that alleged the automaker violated the law by withholding the info from investors. A memo on May 23, 2014 first advised Winterkorn about emissions cheating. A memo on May 23, 2014, first advised Winterkorn about the study from the International Council on Clean Transportation, which identified the emissions cheating. According to VW, the document was part of the exec's weekend mail, and the company's investigation didn't discover whether Winterkorn actually read it. A rumor last month alleged this memo existed. Another memo for Winterkorn on November 14, 2014 was about several defects, including the diesel engines. The document estimated it would cost 20 million euros ($22 million US at current rates) to fix the problem. The chairman learned about the issue again on July 27, 2015, during a meeting on product issues. "Mr. Winterkorn asked for further clarification of the issue," according to VW's statement. Things got serious at the end of August 2015. Things got serious at the end of August 2015 when technicians explained the diesel issue to the legal department. VW came clean to the California Air Resources Board and the Environmental Protection Agency on September 3. A memo told Winterkorn the next day, which was also previously alleged. According to this investigation, management didn't believe the diesel problem would affect the stock price, and they estimated the cheating might cost at most a few hundred million dollars in fines. The execs were clearly wrong. The share price dropped after the scandal broke last September, and the problems have started to affect its divisions. According to Reuters, Audi reported it suffered 228 million euros ($249 million) in costs in 2015 from the emissions issue and repairing Takata's faulty airbag inflators. Volkswagen still doesn't know the exact costs of the scandal, but the automaker's law firm, Jones Day, plans to release a report in the second half of April to explain the whole affair. By that time, we might also know how VW plans to fix the problem because a judge recently gave the company until March 24 to outline a fix for the 2.0-liter TDI. CARB started evaluating a repair plan for the 3.0-liter TDI in early February.