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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 still set on Phaeton redux despite cost-cutting drive and losing $32k per car

While critically well regarded, the Volkswagen Phaeton has proven to be a vehicle largely unloved by luxury buyers around the world. Despite this, it refuses to die. While VW's luxury sedan hasn't been sold in the US since 2006 due to low sales here, it has soldiered on in Europe with occasional updates. As the model's long lifespan has been winding down, VW has decided to keep pushing the Phaeton into a new generation, despite in-house alternatives like the Audi A8 and Bentley Continental Flying Spur. The move might not make much business sense, but Volkswagen executives are determined to make the Phaeton work. According to market analysts speaking to Reuters, developing the next-gen luxury sedan on the MLB platform could cost as much as 650 million euros ($737 million), despite relying on the same underpinnings in the A8. It's not like the Phaeton is leading the luxury sedan sales ranks, either. Reuters notes VW produced just 5,812 of them in 2013 (the most current year with data), and from 2002 to 2012, the automaker reportedly lost 28,000 euros ($32,000) on each example sold. Conversely, Mercedes-Benz sold 103,737 units of its new S-Class in 2014, an astonishing 82.2 percent jump over the previous year. The decision to keep the Phaeton going doesn't seem to square with the VW brand's cost-cutting strategy. Boss Martin Winterkorn announced last year a plan to save 5 billion euros ($5.7 billion) annually in the coming years. That plan reportedly also includes killing off less profitable models. Apparently, VW can't just rip off the band-aid and get rid of the Phaeton. Even some VW bosses seem somewhat perplexed at the sedan's business case. When Reuters asked the company's US boss Michael Horn about selling the Phaeton here, he said. "That's a dangerous question. It's an image bearer with no relevance for volume." The next-gen Phaeton is scheduled to go on sale in Europe in 2017 or 2018, according to Reuters, which is about a year later than previous rumors. A US launch will reportedly follow in 2018 or 2019 with the plug-in hybrid and potentially even diesel versions on offer. A starting price around $70,000 is estimated. Featured Gallery 2011 Volkswagen Phaeton View 15 Photos News Source: ReutersImage Credit: Volkswagen Plants/Manufacturing Volkswagen Luxury Sedan vw phaeton cost cutting

Lexus tops JD Power Vehicle Dependability Study again, Buick bests Toyota

It shouldn't surprise anyone, but Lexus has once again taken the top spot in JD Power's Vehicle Dependability Study. That'd be the Japanese luxury brand's fourth straight year at the top of table. The big news, though, is the rise of Buick. General Motor's near-premium brand beat out Toyota to take second place, with 110 problems per 100 vehicles compared to Toyota's 111 problems. Lexus owners only reported 89 problems per 100 vehicles. Besides Buick's three-position jump, Scion enjoyed a major improvement, jumping 13 positions from 2014. Ram and Mitsubishi made big gains, as well, moving up 11 and 10 positions, respectively. In terms of individual segments, GM and Toyota both excelled, taking home seven segment awards each. The study wasn't good news for all involved, though. A number of popular automakers finished below the industry average of 147 problems per 100 vehicles, including Subaru, (157PP100), Volkswagen (165PP100), Ford/Hyundai (188PP100 each) and Mini (193PP100). The biggest losers (by a tremendous margin, we might add) were Land Rover and Fiat, recording 258 and 273 problems per 100 vehicles. The next closest brand was Jeep, with 197PP100. While the Vehicle Dependability Study uses the same measurement system as the Initial Quality Survey, the two metrics analyze very different things. The VDS looks at problems experienced by original owners of model year 2012 vehicles over the past 12 months, while the oft-quoted IQS focuses on problems in the first 90 days of new-vehicle ownership. Like the IQS, though, the VDS has a rather broad definition of what a problem is. Because of that, a low score from JD Power is no guarantee of extreme unreliability, so much as just poor design. In this most recent study, the two most reported problems focused on Bluetooth connectivity and the voice-command systems. The former leaves plenty of room for user error due to poor design (particularly true of the Bluetooth systems on the low-scoring Fords, Volkswagens and Subarus), while the second is something JD Power has already confirmed as being universally terrible. That makes means that while these studies are important, they shouldn't be taken as gospel when it comes to automotive reliability. News Source: JD PowerImage Credit: Copyright 2015 Jeremy Korzeniewski / AOL Buick Fiat Ford GM Hyundai Jeep Land Rover Lexus MINI Mitsubishi RAM Scion Subaru Toyota Volkswagen Auto Repair Ownership study