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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.

Car Club USA: CleanMPG Northwest Rally

Car Club USA heads to Los Angeles for the CleanMPG Northwest Rally, where a group of like-minded hypermiling enthusiasts led by Wayne Gerdes attempts to drive from Los Angeles, CA, to Bend, OR, on one tank of fuel. For this challenge, Wayne tapped some of the most accomplished hypermilers in the world, including Guinness World Record holder Bob Winger and Mike Sefton, "the most fuel efficient driver in all of Canada." It doesn't take long for the competition to get heated. "They're not aggressive enough, and it's not going to save them anything by being soft right now," says Gerdes as the group attempts to navigate the Interstate traffic. "Driving in Los Angeles is a hyper miler's nightmare," says Winger. The trip will challenge both car and driver, while putting the latest fuel-efficient tech to the test. Wayne is piloting the Volkswagen Golf Sportwagen TDI, Sefton drives the Audi A3 TDI, and Winger attempts the trek in a Honda Accord Hybrid. It's diesel versus hybrid tech on this fuel-efficient trip of a lifetime. Each Car Club USA episode features a different car club or event from across the US, where passionate owner communities gather to share automotive experiences and embark on incredible adventures. From Main Street cruises to off-road trails, catch all the latest car club activity on Autoblog. Green Audi Honda Volkswagen Alternative Fuels Fuel Efficiency Green Culture Green Driving Driving Diesel Vehicles Hybrid Car Club USA Videos Original Video cleanmpg

2015 Volkswagen GTI: Introduction [w/video]

If you've ever met me, listened to me on the podcast, or come to know me through my writing during the last five years at Autoblog, the following phrase should not surprise you: I freaking love the Volkswagen GTI. I've long said that the GTI is the perfect daily driver for the everyday enthusiast – a car that offers as much practicality as it does performance, served up in a semi-premium, attractive package. I've preached the GTI's story to anyone who would listen, and I've managed to convince several people to actually go out and buy one (those folks later telling me they're super happy with their cars, by the way). As for this new, seventh-generation GTI, I'll offer a little backstory. In 2013, Volkswagen flew me to Germany to attend the Frankfurt Motor Show, where I also got to drive a number of the company's products, including the CrossBlue crossover concept. While waiting for my turn to pilot the CrossBlue in an airport hangar, one of the German PR folks directed my attention to a white, four-door GTI sitting outside, and said I was free to have my way with it for, oh, 20 minutes... on an empty runway... in the rain. This was my first experience with the new GTI, in a fairly loaded spec, with all the performance goodies. Needless to say, I loved it. But my other big belief about the GTI is that this car is truly perfect in its base form. The sixth-generation car was a blast without any dynamic controls or performance whats-its, and while those things certainly help make this new hot Golf a more enthusiastic package than ever, in my eyes, they aren't completely necessary. That's why, when it came time to order a long-term car, I took control of the options. The end result is the carbon steel gray GTI you see here, in four-door S (base) spec, with a six-speed manual transmission. Yes, I did outfit our car with the only two options available to S shoppers (aside from the $1,495 performance pack) – the $995 lighting package and $695 driver assistance pack – but other than that, it's a no-nonsense hot hatch. No sunroof. No leather. No fully power-adjustable seats. No navigation. No dual-zone climate control. No automatic headlights. No upgraded audio. The bottom line is that our long-term GTI comes in with an as-tested price of $27,895, including the $820 destination charge. That's right: a $28,000 GTI. What our car does have is everything you'd want in a GTI.