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DC fast charging not as damaging to EV batteries as expected

As convenient as DC fast charging is, there have been lots of warnings that repeated dumping of so many electrons into an electric vehicle's battery pack in such a short time would reduce the battery's life. While everyone agrees that DC fast charging does have some effect on battery life, it may not be as bad as previously expected. Over on SimanaitisSays, Dennis Simanaitis, writes about a recent presentation by Matt Shirk of the Idaho National Laboratory (INL) called DC Fast, Wireless, And Conductive Charging Evaluation Projects (PDF) that describes an ongoing test of four 2012 Nissan Leaf EVs that are being charged in two pairs of two. One pair only recharges from 50-kW DC fast chargers, which the other two sip from 3.3-kW Level 2 chargers exclusively. Otherwise, the cars are operated pretty much the same: climate is automatically set to 72 degrees, are driven on public roads around Phoenix, AZ and have the same set of dedicated drivers is rotated through the four cars. "Degradation depends more on the miles traveled than on the nature of recharging." What's most interesting are the charts on page seven of Shirk's presentation (click the image above to enlarge), which show the energy capacity of each of the four vehicles. When they were new, the four batteries were each tested to measure their energy capacity and given a 0 capacity loss baseline. They were then tested at 10,000, 20,000, 30,000 and 40,000 miles, and at each point, the DC-only EVs had roughly the same amount of battery loss as the Level 2 test subjects. The DC cars did lose a bit more at each test, but only around a 25-percent overall loss after 40k, compared to 23 percent for the Level 2 cars. Simanaitis' takeaway is that, "INL data suggest that the amount of degradation depends more on the miles traveled than on the nature of recharging." The tests are part of the INLs' Advanced Vehicle Testing Activity work and a final report is forthcoming. These initial numbers from IPL do mesh with other research into DC fast charging, though. Mitsubishi said daily fast charging wouldn't really hurt the battery in the i-MiEV and MIT tests of a Fisker Karma battery showed just 10-percent loss over 1,500 rapid charge-discharge cycles.

Nissan-Dongfeng's Leaf-based Venucia e30 EV goes on sale in China

Nissan's proverbial other shoe has dropped on the other side of the world. The Japanese automaker, along with Chinese company Dongfeng, has started selling the Venucia e30 battery-electric vehicle in the world's most populous country. How the sister vehicle to the Nissan Leaf will fare remains to be seen, but it's a pretty big bet. The companies certainly tested the model enough, very quietly running 300 trial vehicles a combined three million miles on China's roads. The result is a vehicle the companies say reduces operating costs by about 85 percent relative to gas-powered vehicles and can go 35 miles on a five-minute quick-charge. In China, the Venucia e30 retails for about $44,000, though that's before government incentives kick in. The car will debut with sales in Beijing, Shanghai, Guangzhou, Shenzhen, Dalian, Wuhan, Tianjin, Zhengzhou and Hangzhou. The rest of the country gets access to the model next year. Nissan and its Chinese partner are probably hoping for the kind of success Nissan's has finally started to have with the Leaf in the US recently. Last month, Nissan moved 3,186 Leaf vehicles Stateside, a monthly record. Year-to-date US sales of the Leaf are up 34 percent from last year to 18,841 units. You can find more info on the e30 in Nissan's press release below. DONGFENG NISSAN LAUNCHES ITS FIRST ALL-ELECTRIC VEHICLE - Venucia `e30' offers trusted, affordable, pure EV experience for Chinese consumers - SHANGHAI, China (September 10, 2014) - Dongfeng Nissan Passenger Vehicle Company (DFL-PV) today launches its first pure-electric vehicle model, "e30," from its local Venucia brand. With a five million kilometer pilot run across China completed prior to launch, e30 is trusted to bring Chinese consumers an enjoyable EV experience at affordable running costs. Its starting price is set at RMB 267,800 Venucia e30 Jun Seki, President of Dongfeng Motor Co., Ltd. (DFL), Nissan's joint venture with Dongfeng Motor Group Co., Ltd., said, "With Nissan Global's advanced technology, sales experience and know-how of electric vehicle, the Venucia e30 has been locally developed through our careful studies about market situations and consumer needs in China. I am looking forward to seeing the Venucia e30 lead China's electric-vehicle market into the future and also to more development of new energy vehicles and the wide adoption of electric vehicles in China." e30 achieves an optimal balance between driving range, affordability and convenient charging.

Takata adds millions to recall expansion in US [UPDATE]

UPDATE: Ford spokesperson Kelli Felker has advised Autoblog that of the 1,509,535 total vehicles worldwide that the company is recalling, 966,504 of them are new additions for this expanded safety campaign. Last week, the National Highway Traffic Safety Administration announced that the Takata airbag inflator recalls would expand to an estimated 33.8 million vehicles in the US. However at the time, automakers weren't sure specifically which of their models might be affected under this enlarged campaign. Now, the numbers for BMW, FCA, Ford, and Mitsubishi are being released by the agency. Additionally, Honda is outlining the broadening of its own campaign. BMW's recall amounts to 420,661 vehicles in the US, an increase from 140,696 previously. All of the following models need their front, driver's side airbag replaced: 2002-2005 BMW 325i/325xi/330i/330xi Sedan 2002-2005 BMW 325xi/325i Sportswagon 2002-2006 BMW 330Ci/325Ci/M3 Convertible 2002-2006 BMW 325i/330i/M3 Coupe 2002-2003 BMW M5/540i/525i/530i Sedan 2002-2003 BMW 540i/525i Sportswagon 2003-2004 BMW X5 3.0i/4.4i BMW has received no reports of any injures or deaths from this problem in its vehicles. FCA has 5,224,845 vehicles globally in need of inflator replacements, according to its statement. However, the company is only aware of one injury related to the issue, which occurred in a 2006 Dodge Charger in southern Florida. There are 4,747,202 vehicles worldwide from the company that are affected on the front, driver's side. Among these, 4,066,732 are in the US, 374,508 are in Canada, and the rest are in other countries. The models are: 2005-2009 Dodge Ram 2500 Pickup 2004-2008 Dodge Ram 1500 Pickup 2006-2009 Dodge Ram 3500 Pickup 2007-2009 Dodge Ram 3500 Cab Chassis 2008-2010 Dodge Ram 4500/5500 Cab Chassis 2008-2009 Sterling 4500/5500 Cab Chassis 2004-2008 Dodge Durango 2007-2008 Chrysler Aspen 2005-2010 Chrysler 300/300C/SRT8 2005-2010 Dodge Charger/Magnum 2005-2011 Dodge Dakota 2006-2010 Mitsubishi Raider Also, there are 438,156 vehicles in the US, according to the NHTSA documents, that need their front passenger's side inflators replaced in the expansion of an earlier regional recall: 2003 Dodge Ram 1500 2003 Dodge Ram 2500 2003 Dodge Ram 3500 The total number of vehicles from Ford now covered under these campaigns stands at 1,509,535 worldwide. Of this total, there are 1,380,604 in the United States, 93,207 in Canada and 16,953 in Mexico.