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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.

Volkswagen CEO Winterkorn Out, Rebuilding Begins | Autoblog Minute

CEO Dr. Martin Winterkorn resigns amid Volkswagen emissions scandal. The world's top selling automaker must now work to regain public trust. Volkswagen Diesel Vehicles Autoblog Minute Videos Original Video vw diesel scandal martin winterkorn

Volkswagen plugs new Passat GTE into European outlets

It's been the better part of a year since Volkswagen first announced the Passat GTE and revealed it at the Paris Motor Show. And now the German automaker is finally bringing it to market. That is, at least, certain markets, anyway. The new GTE broadens the range of the European-market Passat (which is entirely different from the model we get here) with a plug-in hybrid for the first time. It follows the emergence of the Golf GTE which has a similar setup. The gasoline-electric powertrain marries a 1.4-liter turbo four to an electric motor and a dual-clutch transmission, producing a combined 215 horsepower. It can also be switched into pure electric mode, giving it a battery-powered range of 31 miles and warranting exemption from congestion charges in London and other such cities. VW will offer the Passat GTE in both sedan and Variant wagon forms, with sales already beginning in select markets and broadening across Europe this fall. Asian markets can expect to see the new plug-in by year-end as well. Interested US customers will just have to admire this particular model from afar. New Passat GTE launches as saloon and Variant - Volkswagen continues e-motoring offensive with plug-in hybrid - Passat GTE delivers 218 PS and travels up to 50 kilometres on all-electric power - First Volkswagen plug-in hybrid in the high-volume segment of large family cars The Volkswagen continues to electrify! Following the Golf GTE*, comes the next high-volume model with a plug-in drive system: this time the German carmaker is electrifying the new Passat GTE. Its launch marks the debut of a new generation of business and family cars – zero-emission vehicle and long-distance touring car all in one. A Volkswagen that combines the present and the future. A car that boasts not only one of the most progressive drive systems of our time, but also an array of innovative assistance and infotainment systems that is ground-breaking in the segment of large family cars. With superb system output of 160 kW / 218 PS, frugal NEDC consumption of just 1.6 l/100 km and 12.2 kWh/100 km (Variant: 12.4 kWh) and an all-electric range of up to 50 kilometres, the Passat GTE defines a new level of efficiency in its class. Under normal operating conditions the new Volkswagen always begins its journey in all-electric and thus emission-free mode. This E-Mode can also be activated at the push of a button, for example towards the end of a journey as you enter a city.