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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.

Audi rumored to leave top-tier endurance racing after 2017

Volkswagen's ongoing diesel scandal is turning out to be an expensive problem for the German automaker. With a recent settlement expected to cost the company up to $14.7 billion, the company is scrambling to find ways to save cash. In light of this, Audi could be pulling out of the highest class of endurance racing, which it has dominated for years. A report from Germany's Auto Motor und Sport, indicates that Audi has already finalized the automaker's departure from the World Endurance Championship's top-tier LMP1 class after the 2017 season. Another report by Autocar cites an unnamed insider to corroborate the LMP1 exit rumors. The report fingers the VW Group's ongoing diesel scandal's financial fallout as the main culprit for Audi bowing out of LMP1. The move to could also be due to the group's decision to move away from diesel technology. Audi's LMP1 car, the R18, utilizes a V6 turbo-diesel engine. The Porsche 919 Hybrid, on the other hand, uses 2.0-liter turbocharged V4 engine that runs on gasoline. Audi has won the legendary 24 Hours of Le Mans 13 times since 1999, making Audi an unstoppable force in endurance racing. Porsche, Audi's corporate sibling, reentered endurance racing with a LMP1 competitor of its own in 2014 and won the constructor's championship last year. Audi's decision to leave LMP1 could give Porsche a shot at creating its own Le Mans-winning dynasty. Autocar reports that Audi is expected to continue fielding cars in other WEC classes, like GT3 and GT4, and perhaps the brand will even enter Formula E. We reached out to Audi for some clarification on the matter and a spokesperson stated that the rumors were "pure speculation at this point." Related Video: News Source: Auto Motor und Sport, AutocarImage Credit: Audi Motorsports Rumormill Audi Porsche Volkswagen Diesel Vehicles Hybrid Racing Vehicles vw diesel scandal rumor world endurance championship wec porsche 919 hybrid

VW reaches out to diesel consumers with new website

Volkswagen is starting to get details out to the public about its diesel emissions evasions in the US, and the automaker now has a dedicated website for consumers. The first thing that visitors see is an apology video from Volkswagen Group of America CEO Michael Horn. The site also details all of the VW TDI's currently known to be affected here, including the 2009-2015 Jetta, 2009-2014 Jetta SportWagen, 2010-2015 Golf, 2015 Golf SportWagen, 2012-2015 Beetle and Beetle convertible, and 2012-2015 Passat. Although, the Audi A3 should be on there, too. The company repeatedly reassures owners that these vehicles are safe to drive and promises it's developing a fix as quickly as possible to make them emissions compliant. On the site's FAQ, VW also clarifies that there's still a stop-sale on all of these models with the 2.0-liter TDI, including certified pre-owned ones. That could change soon because the automaker believes that the 2016 model year examples are legal, but the Environmental Protection Agency needs to sign off before they could go to dealers. Until the diesels can be sold, there also won't be any TDI advertising by VW. "We are working at full speed on a technical solution that we will present to partners, to our customers and to the public as swiftly as possible," Herbert Diess, CEO of Volkswagen passenger car division, says in a statement. He also offers an improved accounting of the number of vehicles affected. VW had previously said that there were 11 million with the emissions evading software worldwide. According to Diess, around five million of these came from the VW brand. Audi has said there about 2.1 million of its models affected globally with between 13,000 and 14,000 in America. DR. HERBERT DIESS, CEO OF THE VOLKSWAGEN PASSENGER CARS BRAND, EXPLAINS: "WE ARE WORKING AT FULL SPEED ON A SOLUTION." Wolfsburg, September 25, 2015 – In the press release dated September 22, 2015, the Volkswagen Group announced that Volkswagen Group vehicles worldwide are affected by the current issues regarding emissions. The internal evaluation revealed that approximately five million Volkswagen Passenger Cars brand vehicles are affected worldwide. Certain models and model years of these vehicles (such as the sixth generation Volkswagen Golf, the seventh generation Volkswagen Passat and the first generation Volkswagen Tiguan) are equipped exclusively with type EA 189 diesel engines.