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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's latest ad is not subtle | Autoblog Podcast #509

On this week's podcast, Mike Austin and David Gluckman are joined by special guest James Riswick, who has been driving a lot of new cars lately. All of them are discussed, plus a few more from Mike and David, and Mike rants a bit about a new VW Atlas commercial. The episode wraps up with the traditional doling out of Spend My Money buying advice, during which David briefly goes out into left field. (He's back now, don't worry.) The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want buying advice of your very own, send a message or a voice memo to podcast at autoblog dot com. (If you record audio of a question with your phone and get it to us, you could hear your very own voice on the podcast. Neat, right?) And if you have other questions or comments, please send those too. Autoblog Podcast #509 Topics and stories we mention GMC Sierra HD Mazda MX-5 Miata RF Mazda CX-5 Honda CR-V vs. Mazda CX-5 Mini Countryman Honda Clarity Fuel Cell Ford F-150 Raptor Lexus RC 200t VW Atlas "Luv Bug" commercial Used cars! Rundown Intro - 00:00 What we're driving - 02:43 Ad of the week - 41:40 Spend My Money - 49:14 Total Duration: 56:27 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show on iTunes Marketing/Advertising Podcasts Ford GMC Honda Lexus Mazda MINI Volkswagen mazda cx-5 ford f-150 raptor gmc sierra hd volkswagen atlas mazda mx-5 rf lexus rc 200t

VW uses NorCal Forest to make e-Golf carbon neutral

On the one hand, it's just a forest. There are beautiful redwood trees and clean air, cool, quiet creeks and hidden wildlife. You know, a forest. The kind that have existed for millions of years. On the other, it's a carefully managed collection of natural resources that lets companies pay money to make their products more beneficial to the environment. Welcome to the Garcia River Forest. For our purposes, the Garcia River Forest is interesting because of its connection to Volkswagen. Its young redwoods are helping Volkswagen create something almost unheard of in the automotive industry: a (mostly) carbon-neutral car. The 10,000-foot overview of how this works is as follows: when you buy the electric car, part of your money goes to support three carbon offset projects. These projects (the one in the Garcia River Forest, the Big River And Salmon Creek Forests in California, and the McKinney Landfill in Texas) have put a price on the value of not letting more carbon get into our atmosphere. The calculations come in the form of credits per metric ton of CO2 and VW has paid enough money to cover the emissions it generates during the production and distribution of the e-Golf as well as the charging for around 36,000 miles of driving. VW worked with 3Degrees, a provider of carbon offset services, to calculate the amount of greenhouse gas (GHG) emissions that each e-Golf will be responsible for, from the factory to the driveway. The Garcia River Forest location is managed by The Conservation Fund (TCF). VW originally announced the carbon-neutral program back when it revealed US details for the e-Golf, in August 2013. Stuart Gardner, project manager at VW of America for the Golf family, told AutoblogGreen that the idea for the carbon offset came from the way VW understands plug-in vehicle buyers. "At Volkswagen, we strive to be leaders in e-mobility and developing alternative powertrains and we realize that, when someone buys an electric vehicle - the e-Golf, for example - they are doing more than just buying an electric vehicle," he said. "They are buying a lifestyle and they want to engage in this lifestyle." VW is not releasing the specific amount of the purchase price of each e-Golf that is directed to the Garcia River Forest (or any other carbon offset projects).