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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.

2015 Volkswagen Golf SportWagen First Drive [w/video]

Volkswagen currently offers five Golf models in the US, and in just a few weeks it will add the 2015 SportWagen to the lineup. The previous version sold as the Jetta SportWagen, although it was technically a Golf. For the new model, VW product planners decided to align all the hatchbacks under the same name. The SportWagen employs the same engines as the Golf, but significantly stretches its new MQB architecture. The result is greater practicality in the form of cargo room. With the seats up the SportWagen holds 30.4 cubic feet, almost 8 more than the Golf. The gap widens to nearly 14 cu ft with the seats folded; a max capacity of 66.5 cu ft puts the SportWagen into compact crossover territory. That added functionality leads VW to think it can sway buyers shopping the likes of the Honda CR-V and Toyota RAV4. And with the high-mpg diesel variant – 31 mpg city, up to 43 highway – VW hopes to lure those considering fuel-sipping MPVs like the Toyota Prius V and Ford C-MAX. What separates this Golf from those other two segments is the driving prowess we've come to expect from Wolfsburg's best-selling nameplate. While the silhouette is similar to the outgoing Jetta wagon, designers honed the character lines to give the Golf SportWagen a more modern, angular aesthetic. The LED headlights look sharp, the hood now scoops down at a steeper angle into the front fenders, and the general proportions – in line with other Golf models – have changed. The new SportWagen is lower, longer, and wider and than the Jetta SportWagen it replaces. Specifically, it is 1.1 inches longer, 0.7 inches wider, and despite being about an inch lower, actually boasts more headroom. Inside, things look pretty familiar to the current Golf family. There are small, premium touches such as a sporty, flat-ish-bottom wheel, piano-black trim, and an optional one-touch panoramic sunroof that makes the cabin a bright, airy, and pleasant place to be. Otherwise, it's your standard Golf fare, but with a whole lot more room out back. The same two engines that power the standard Golf – the 1.8-liter turbocharged inline-four TSI, and 2.0-liter turbocharged TDI diesel – are also found under the hood of the SportWagen. Gasoline-powered models come with a five-speed manual or a traditional six-speed auto, while the TDI gets six-speed transmissions across the board – either as a row-your-own manual, or a dual-clutch DSG auto with steering wheel-mounted paddles.

Recharge Wrap-up: VW Caddy TGI BlueMotion, VR tour of Tesla Model X

Take a 360-degree virtual tour of the Tesla Model X. Best viewed in the YouTube app on your smartphone, the video above - courtesy of Canadian Press Video News – allows you to look around the inside of the Model X as though you were sitting inside it. While you're viewing it, keep in mind Tesla CEO Elon Musk's words about virtual reality: "It's quite transformative. You really feel like you're there." See the video above, and read more at Teslarati. LG Chem's batteries for the 2017 Chrysler Pacifica Hybrid minivan will be the Korean company's first time engineering and manufacturing a complete battery pack in Michigan for a volume production North American plug-in hybrid. The packs include lithium-ion cells, electronics and control units. The batteries were engineered at LG Chem's Troy, Michigan facility, and will be built at the company's Holland, Michigan plant. "Our experience with entire battery packs, including cell design and manufacturing capability, as well as our expertise in vehicle integration, makes us the ideal battery supplier for the Pacifica Hybrid," says LGCPI CEO Denise Gray. "We believe our technical strengths, engineering and manufacturing expertise, position us as a leading battery and control system provider for electric vehicles today and in the future." Read more at Green Car Congress. Volkswagen Commercial Vehicles will debut its Caddy TGI BlueMotion van at the Geneva Motor Show. The van, which is suited to family, taxi or city delivery use, can run on CNG or bio-natural gas in addition to gasoline. It also features a six-speed DSG dual-clutch transmission – a first in its class. The multiple high-pressure tanks for compressed gas are located under the floor, preserving all the Caddy's precious cargo space. A TGI version of the Caddy Alltrack will also be available, initially with a six-speed manual transmission, with the DSG option arriving in the middle of 2016. Read more at Green Car Congress, and in the press release below.