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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.

China sticking to its guns on EVs for the future

Automakers are obviously free to develop whatever next-gen, zero-emissions tech that they want. However, if a company wants to get on the good side of the Chinese government, that strategy better include some plug-in vehicles. The authorities there are lending major support to plug-ins at the moment, and its forcing the auto industry to play along. According to Bloomberg, Toyota, Volkswagen, Hyundai, and BMW are all launching dedicated EV brands with their joint venture partners, and as many as 40 electric models could hit the Chinese market this year alone. However, analysts don't think the vehicles are going to sell well. Instead, the launches are essentially a way for companies to play nice with the government and help get the approval to build factories in the country. Take Toyota as an example. The company is pushing the future of hydrogen hard with promotional films for the Mirai and engineers talking down fast-charging EVs. Still, the Japanese automaker is getting ready to launch two EV brands in China with its joint venture partners, according to Bloomberg. China's push for alternative fuels has been happening for a while, but it really kicked into high gear last year. The government has set a goal to improve fleet-wide economy by 40 percent by the end of the decade in order to spend less importing oil and for the population's health. The plan has shown some success so far with hybrid and EV sales growing early in 2015. Related Video: News Source: BloombergImage Credit: Kin Cheung / AP Photo Government/Legal Green BMW Hyundai Toyota Volkswagen Green Culture Technology Electric tax incentives chinese government

2015 Volkswagen Golf R [w/video]

Volkswagen hired a photographer to come shoot the handful of journalists that it brought to drive the 2015 Golf R at Buttonwillow Raceway north of Los Angeles. This fact, though unremarkable in and of itself, was something I hadn't noticed until I was well into my track time – probably ten laps deep on a day that would see me run twice that number. In any event, I noticed the intrepid shooter as he was sprinting from one side of the track to the other somewhere before Turn 2, while I was barreling down the main straightaway, still looking through Turn 1. In the roughly two-mile configuration of the track that I drove, Buttonwillow is a big, wide-open circuit, largely flat and with excellent overall visibility. On that layout, and just hours into my Golf R experience, I'd already become confident in endeavoring to push the limits of VW's latest blistering hatch. In fact, the easy nature of driving the thing quickly had me overestimating my pace. So when I saw the photog sprint across the tarmac I instinctively slowed way too much, way too early for Turn 1. Looking back at the incident after I'd pitted for the session, I laughed at myself, knowing I'd have had to be driving almost double my actual speed to put the camera guy in any real danger of being hit. But the experience crystallized what my full test of the R bore out: this is a car that makes you feel much faster than you otherwise would, at least in a competition setting. The 2015 Golf R is an uber hatch that will flatter those hyper-enthusiasts passionate enough to splash out on its steep price tag, but without threatening sales of core models like the GTI and its ilk. That's a good thing for the VW fanboys, to be sure, and, I'd argue, a great thing for the strength of the German brand overall. {C} The R felt both placid and comfortable while I clicked off highway miles in search of the racetrack. My test in California had at least two things in common with the First Drive feature that Steve Ewing brought us with the Golf R in Sweden. First, we both drove European specification cars (though mine didn't suffer from the same sticker abuse that Steve's did). Second, we were both somewhat limited in terms of driving the car in varied, real-world situations. My street route consisted almost entirely of tracking California's I-5 north out of Los Angeles; which any Angelino will tell you is a less-than-riveting mode of travel.