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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 GTI: Clicking, beeping, and trying to stay cool [w/video]

My first car didn't have air conditioning. Well, that's not entirely true. The car had A/C, it just didn't work. Nevertheless, I survived summer after summer of sweating behind the wheel – par for the course in a 15-year-old Mitsubishi with 235,000 miles on the odometer. But it's another thing entirely when that same experience happens in a 2015 Volkswagen GTI after just 7,000 miles of use. That's how Autoblog kicked off summer with the long-term GTI: sweating in plaid seats. The car went to Suburban Volkswagen in Troy, MI, where the technicians told me the air-con just needed a recharge (despite asking them to inspect it further). They recharged it, the air blew cold, and 48 hours later, the A/C stopped working again. (Surprise!) The problem was a leak in the compressor/condenser line, so a new one was installed, the system was charged, and now it's fixed. For real this time. Unfortunately, that second-coming happened during a road trip with editor-in-chief Mike Austin at the helm. His logbook comments are, as you'd expect, appropriately salty. "Everybody loves the GTI, right? Not quite. I drove to Toronto for a weekend. On the way home, the A/C quit working. This wasn't too much of a problem until we hit the border control line to re-enter the United States. I always pick the slow line, somehow. Thusly baked in the heat, with outside temperatures above 80, the GTI didn't cool back down for the rest of the trip. Then I learned we already fixed the A/C once." "Of course, any car on that day with a surprise A/C failure would earn my ire," Austin notes. "It just seems a little more irritating on a new car. Otherwise, yeah, this is a great car." A great car, indeed. Everyone loves spending time with the GTI. It's got plenty of power, it's quiet, it's comfortable, and it eats up highway miles. We've got just over 10,000 miles on the odometer as of this writing, and as summer carries on, many editors have requested extended periods of seat time in the GTI for weekend getaways and longer road trips. But it's still not perfect. Following the A/C fiasco, there's another, more curious problem plaguing the GTI. Every time the car starts, a weird, varied-tempo, loud clicking is heard from the dash. We think it's coming from the direction of the glovebox, and it's not the same click patten every time. Sometimes it's one or two knocks, sometimes it's several. See what I mean in the video below. Weird, right? Another trip to Suburban Volkswagen offered no help.

Volkswagen posts quarterly profit despite drop in sales

Volkswagen returned to profit in the third quarter as surging Chinese demand for luxury cars helped offset a 1.1% drop in vehicle deliveries due to the pandemic, sending its shares as much as 3% higher on Thursday. The German automaker's return to the black comes amid spiking coronavirus cases in Europe that led governments in France and Germany to order their countries back into strict national lockdowns on Wednesday. "The coronavirus remains a central problem," Volkswagen Chief Financial Officer Frank Witter said in a conference call with reporters. "This situation now is anything but relaxed." But Witter said the group expected the economic recovery to continue and did "not anticipate any nationwide lockdowns in larger markets." Witter said the takeover of U.S. truck maker Navistar International by Volkswagen's trucking unit Traton was an important acquisition, but the "current economic climate will not make this easy." Volkswagen reiterated it expects to post a profit for the full year, saying its business "recovered noticeably" in the third quarter as sales in China of premium vehicles, including Audi and Porsche sports cars, rose 3%. The quarterly performance was also aided by a series of cost-cutting measures launched earlier this year. Volkswagen said its net liquidity rose to 24.8 billion euros from 18.7 billion at the end of the second quarter. Excluding one-time items, third-quarter operating profit was 3.2 billion euros ($3.8 billion), down from 4.8 billion euros a year earlier, but up from a second quarter loss of 1.7 billion. In a note to clients, Jefferies analyst Philippe Houchois described the results as a "solid performance with strong cash, but relatively muted in the context of the (auto) sector recovery." Last week, German rival Daimler reported a record 24% jump in Chinese demand for its Mercedes-Benz cars, boosting its margins in the third quarter. Italian-American Fiat Chrysler Automobiles and Peugeot manufacturer PSA Group both also posted solid results this week. Witter said Volkswagen could not say for sure whether it would meet EU CO2 emissions targets this year, adding "it will be a tough race." At 1030 GMT, Volkswagen shares were up 2.9% at 129.20 euros. Related Video: Earnings/Financials Audi Bentley Bugatti Lamborghini Porsche Volkswagen