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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.

Peugeot will prove it doesn't offer cheater diesels

Our diesels are clean, really. That's the message from French automaker PSA/Peugeot-Citroen as it plans to go on the offensive in response to Volkswagen's diesel-emissions scandal. PSA will go out of its way to prove its diesels are as clean as advertised. The company is looking at disclosing "real-world" fuel-economy statistics as soon as next spring and will use an independent entity to vet the numbers, Automotive News Europe says, citing comments that PSA/Peugeot-Citroen financial chief Jean-Baptiste de Chatillon made to reporters this week. Such efforts may be vital, since roughly two-thirds of the vehicles Peugeot-Citroen sells in Europe are powered by a diesel engine. Last month, VW admitted that as many as 11 million of its diesel-powered vehicles were programmed with software designed to cheat emissions-testing systems. The news shook up the industry, especially companies that sell a good chunk of diesels. The EU itself may start instituting "real world" fuel-economy and emissions testing as soon as 2017. French regulators have said they may eliminate diesel-fuel subsidies that currently make diesel fuel cheaper to customers than gas. That adjustment may occur as soon as next year, since it's been pushed up in response to the VW scandal. Peugeot-Citron continues to reiterate that it has never installed software that was designed to cheat emissions-testing systems. Additionally, the automaker was more than a decade ahead of European Union mandates for engine components designed to cut soot emissions, so the company is hoping its track record makes a difference. It wants to be perfectly clear about that. News Source: Automotive News Europe-sub.req.Image Credit: Cletus Awreetus/Flickr Green Volkswagen Citroen Peugeot Diesel Vehicles vw diesel scandal France psa peugeot citroen

Volkswagen building budget car family planned for China in 2018

Volkswagen has publicly pondered a low-cost car for China, something akin to Nissan's Datsun revival in Southeast Asia, for at least three years. In 2013 it tapped Chinese partner FAW to help develop an entire budget brand, with plans to have something on the market in 2016 in the 6,000- to 8,000-euro range. About a year ago, VW said it couldn't figure out how to engineer an inexpensive car that didn't run counter to the brand's values, then three weeks later said it had overcome the issues. Reuters now reports that VW CEO Martin Winterkorn told German newspaper Bild am Sonntag, "We will bring a budget-car family to market in 2018, with an SUV, saloon and hatchback." Winterkorn didn't offer any other details like who VW would work with to build it - VW has partnerships with both FAW and SAIC, but the announcement will be welcomed by the brand's Chinese outpost. When this adventure started, VW said it was working to create a model that would cost 6,000 to 8,000 euro. That estimate has increased. Winterkorn is now saying the 2018 offerings will come in between 8,000 and 11,000 euro. In a straight euro-to-yuan conversion, that would equate to Chinese pricing of 56,000 to 77,000 yuan. For comparison, the New Polo with a 1.4-liter engine and a manual transmission starts at 85,900 yuan. Perhaps with an eye on the success of the Nissan-Renault sub-brand Dacia in Europe and emerging markets, Winterkorn told Bild, "We will see if this is something of interest for other markets as well." On the opposite end of the price/performance spectrum, Winterkorn also said that VW is working on two new models for Bugatti, one powered by a traditional gasoline engine and another with some sort of hybrid setup. The latter model would reportedly be the higher-performing of the two, though it's not clear whether there would be two vehicle lines or two versions of the same vehicle. As ever, as soon as we know more, so will you.