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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.

VW CEO lost his job over buggy software that delayed new models

It says a lot about the state of the auto industry and where it's going that software problems have cost the CEO of a carmaker his job. Volkswagen ousted Herbert Diess as chief executive officer after severe software-development delays set back the scheduled launch of new Porsches, Audis and Bentleys. This was untenable considering buggy software postponed the debut of VW’s initial rollout of ID models, and customers are still having to drop off their cars at the dealer for updates the company has struggled to make over the air. Sure, Diess also didnÂ’t do enough to make allies and became increasingly isolated due to his hard-nosed leadership style. In his push to transform the company into an electric-vehicle leader, he repeatedly clashed with labor leaders by warning VW was losing out to Tesla and needed to cut thousands of jobs. But failures at the carmakerÂ’s software unit Cariad ultimately eroded DiessÂ’s support from the powerful Porsche and Piech family that calls the shots. Back in December, VW overhauled its management board, stripping Diess of some responsibilities while tasking him to turn around Cariad. While thereÂ’s been a lot of re-arranging since then, Diess didnÂ’t manage to make the issues go away. Discord at Cariad has pushed back the rollout of important new models including the electric Porsche Macan, a high-volume sport utility vehicle for the division thatÂ’s planning an initial public offering in the fourth quarter. AudiÂ’s new line of Artemis EVs has been delayed by around two years to 2027. And VWÂ’s ultra-luxury brand Bentley may not be able to go all-electric by the end of this decade as planned because of the software issues, Automobilwoche reported earlier this month. “Taking over the ship at Cariad seems to have been DiessÂ’s downfall,” said Matthias Schmidt, an independent auto analyst based in Berlin. VWÂ’s solutions to challenges tend to reflect its status as an industrial behemoth: itÂ’s able to throw lots of money and people at its problems. But modernizing the company for the digital age is going to take bringing in talent and building skillsets outside its traditional zones of expertise. Drivers increasingly demand intuitive user interfaces and services that could create new revenue streams, if done correctly. “Software is the key to the future,” TeslaÂ’s Elon Musk tweeted when one of his followers asked about VW switching CEOs. Diess certainly didnÂ’t lack ambition.

Skoda unveils Volkswagen Up!-based Citigo

This is the all-new Skoda Citigo, and if you're thinking that it looks rather familiar, that's because its Volkswagen-badged kin recently debuted at the 2011 Frankfurt Motor Show. That's right, the long-rumored Skoda version of Volkswagen's new Up! city car has finally arrived.
Buyers will have a choice of two 1.0-liter three-cylinder engines - one with 59 horsepower, the other with a 74 hp and a blistering 106 mph top speed - both mated to a five-speed manual transmission. Powerful they are not, but these three-bangers should prove to be extremely efficient, with Skoda quoting fuel economy numbers of 62.8 and 60.1 miles per gallon, respectively (on the European cycle).
Being a Skoda, the Citigo will go on sale in its home market of the Czech Republic this fall, with the rest of Europe getting the car next summer. Follow the jump for Skoda's official release.