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Renault-Nissan debuts new Common Module Family for future vehicles

Platform sharing is nothing new for the 14-year-old Renault-Nissan Alliance, but this partnership is set to introduce new modular platform components that will eventually underpin 11 Renault models and three Nissan vehicles by 2020. Rather than being a typical platform, the Common Module Family (CMF) actually represents five segments of a platform that can be used in various applications, and one of the first vehicles to use this architecture will be the 2014 Nissan Rogue (spy shots of which are shown below) when it arrives "in late 2013."
As pictured in the image above (click to expand), CMF is composed of four chassis component, principally the front underbody, rear underbody, engine bay and cockpit as well as a common electrical system. Besides the next-gen Rogue, future Nissan models to share CMF will include the Qashqai and X-Trail, while Renault models will start using the platform next year on vehicles including the Scénic and Laguna. The CMF architecture is expected to help the Alliance reduce the parts cost of a vehicle by up to 30 percent and reduce the entry cost by up to 40 percent. The official press release with more details about CMF, and what it means for Renault-Nissan, is posted below.

Carlos Ghosn in Twitter debut vows to 'tell the truth about what's happening'

TOKYO — Ousted Nissan boss Carlos Ghosn's sudden appearance on Twitter on Wednesday was a surprise move by the businessman that perplexed people and sent journalists scrambling, and not for the first time. The first tweet from the @carlosghosn account on the social network read, "I'm getting ready to tell the truth about what's happening. Press conference on Thursday, April 11." It did not specify a time or place. Featuring a photo of a smiling, grey-haired Ghosn standing in front of a tree with seasonal cherry blossoms, the account initially lacked the blue tick mark to show it had been verified by the social network. That left journalists unsure of its authenticity — particularly as the conditions of Ghosn's $9 million bail preclude him from using the internet. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Forty minutes later, when the blue tick appeared, the tweet swept across social media and the account's followers swelled to almost 20,000, from just a handful earlier. Some of the replies appeared sympathetic to Ghosn, with others carrying photos of his now-famous exit from a Tokyo detention center last month. "Stood right alongside you with #GiveGhosnBail. Looking forward to hearing your side," wrote one Twitter user with the name @highmileage. Ghosn had also caught media off guard when he disguised himself in a workman's uniform, cap and face mask to try and give waiting reporters the slip on leaving the detention center after his release on bail. The architect of the Nissan and Renault SA global alliance was then pursued by media as he rode away in a small work van, a Suzuki, topped with a ladder. Ghosn's dramatic fall from grace began with his arrest in November after getting off a private plane at Tokyo's Haneda Airport. He has since been charged with financial misconduct and aggravated breach of trust. On Wednesday, the Yomiuri newspaper said Tokyo prosecutors will soon decide whether to prosecute Ghosn on further charges. A further arrest could jeopardize the planned news conference. It remains unclear if Ghosn sent the tweet or it was sent on his behalf. His bail conditions allow him to access a computer at his lawyer's office but forbid him to use the internet. Government/Legal Mitsubishi Nissan Renault renault-nissan

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.