2014 Volkswagen Jetta Tdi on 2040-cars

Auto blog

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.

Recharge Wrap-up: Audi's EV SUV to be built in Brussels, Mercedes-Benz to extend EV range

European Union Industry Commissioner Elzbieta Bienkowska is demanding that Volkswagen compensate owners of cars affected by the diesel emissions scandal. She says European customers should receive the same goodwill compensation as American drivers, whom VW is providing with $1,000 worth of recompense. "The issue of compensation goes beyond the difference in the legal setup between the US and the EU and plays a fundamental role in viewing VW as a responsible and trustworthy company," says Bienkowska in a letter to Volkswagen CEO Matthias Mueller. Bienkowska has also requested detailed data about the vehicles and "corrective measures" VW is planning. Read more from Automotive News Europe. Mercedes-Benz will equip its plug-in vehicles with higher-capacity batteries as it expands its electric model range. While the PHEVs it has released so far have electric driving ranges between 14 and 20 miles, better batteries should extend that range starting around model years 2018 or 2019. After releasing a slew of plug-ins by the end of next year, Mercedes-Benz development director Dr. Thomas Weber says, "The next-generation vehicle will overcome the 30-km to 50-km hurdle and then the next generation after that will be 80-100 km when they run as pure electric cars." Read more at Green Car Reports, or from Motoring. Audi will build its pure electric SUV at its plant in Brussels, Belgium. The batteries for the vehicle based on the Audi E-Tron Quattro concept (perhaps to be called the Q6) will also be built at the Brussels plant when production begins in 2018. With this announcement comes news that production of the A1 will shift from Brussels to Martorell, Spain, while Q3 production will move from Spain to Gyor Hungary. Audi says the Brussels facility will "become a key plant for electric mobility at the Volkswagen Group." Read more at Green Car Congress, or in the press release below. Audi production network: ready for electric mobility - Premium manufacturer to produce large series of electric cars in Brussels as of 2018 - New models for Martorell (Spain) and Gyor (Hungary) - Audi CEO Rupert Stadler: "We are increasing our efficiency and bundling key competencies" Audi is preparing its international production network for the mobility of the future. Large series production of the first purely electric driven SUV from Audi will begin at the site in Brussels in 2018. The plant will also produce its own batteries.

Volkswagen planning Up! hybrid model using XL1 powertrain

Even though we've finally gotten a look at the production version of the 261-mile per gallon Volkswagen XL1, this aero-shaped two-seater was never intended for high-volume sales. Fortunately, it sounds like the same isn't true for the car's diesel plug-in hybrid powertrain, which, according to a report from AutoCar, could make its way under the hood of another Volkswagen model: the Up! minicar (shown above).
A potential Up! Hybrid would likely be able to return some of the same impressive fuel economy numbers as the XL1, but it would be a more realistic car with more passenger space and greater production capacity. The hand-built XL1 will use a 47-horsepower, two-cylinder TDI engine paired to a seven-speed dual-clutch transmission, and the 27-hp electric motor and lithium-ion battery helps deliver an all-electric driving range of 31 miles.
One of the core pillars of the XL1's design is its lightweight construction with a 1752-pound curb weight, which makes the Up! a perfect recipient for using this powertrain since it weighs just 300 pounds more. The report says that the Up! Hybrid is still in the developmental phase, so a production version isn't expected for at least another 18 months.