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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.

US-spec 2015 Volkswagen Golf and GTI to finally debut in New York

The seventh-generation Volkswagen Golf is hardly new to us. In fact, we've already driven it. And elsewhere in the world, the new Golf is already winning awards. Even so, we still have yet to see the US-spec version of the car, though that won't be the case much longer. As part of the New York Auto Show festivities later this month, Volkswagen will finally show off the 2015 Golf models destined for our shores.
Three different versions of the Golf will debut under the lights of New York City's Javits Center: the turbocharged TSI, oil-sipping TDI and hotter GTI. The first model in that list uses Volkswagen's new 1.8-liter turbocharged inline four-cylinder engine, replacing the outgoing 2.5-liter naturally aspirated inline five-cylinder. The latter two models use familiar engines: the 2.0-liter TDI diesel and 2.0-liter turbocharged four-cylinder, respectively.
Even though the new Golf officially debuts later this month, it won't go on sale in the US until the first quarter of 2014. We'll be waiting patiently.

Audi CEO says brand's EVs are almost as profitable as its other cars

After, oh, a hundred years or so of building vehicles primarily powered by internal combustion engines, automakers around the world have been and still are pumping billions of dollars into the development of electric vehicle technology. Everything from platforms and batteries to motors and the software to control it all requires untold hours of development, and that takes time and money. Fortunately, it's not going to take long for that massive investment to start paying off, at least according to Audi CEO Markus Duesmann, who told Reuters in an interview that "The point where we earn as much money with electric cars as with combustion engine cars is now, or ... next year, 2023. They are very even now, the prices." As a brand, Audi contributed more than a quarter of overall profit for the massive Volkswagen Group, which has such powerhouse brands as Volkswagen and Porsche among others. Under the Audi umbrella are Lamborghini, Bentley and Ducati, and it seems those high-end branches aren't going anywhere, at least for now. "These brands ... are very valuable very profitable brands, where we can even expand the synergy level in the future," Duesmann said in the interview. "There are no plans whatsoever to get rid of them." Despite the overall profitability of the brand, the ongoing global chip crisis is causing headaches. "We had a very strong first half in 2021. We do expect a much weaker second half," said Duesmann, who added, "We really have trouble." In fact, so serious is the trouble that the brand is forced into "a day-to-day troubleshooting process" to limit the chip-shortage damage. The good news for the automaker is that Audi has been able to boost its profit margin from 8% prior to the pandemic in 2019 to 10.7% in the first half of 2021. The bad news is that various chip shortages aren't expected to get a whole lot better over the rest of the year. Related video: