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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 announces limited-edition 2014 GT-R in Midnight Opal

Nissan has unveiled the 2014 GT-R Special Edition. Finished in Midnight Opal paint, the GT-R SE will be limited to just 100 units worldwide, with 50 earmarked for the US.
With sales slated to start this fall, the Special Edition of the 545-horsepower GT-R tacks $6,000 on to the $105,590 price of a GT-R Premium. The hand-applied Midnight Opal paint isn't the only special item, though. Forged RAYS wheels are included in a ten-spoke design that's never before made it to American shores, and there's a dry carbon-fiber rear spoiler, similar in design and appearance to the one found on the GT-R Black and Track Editions. Finally, a gold-plated plaque has been fitted to single out the GT-R Special Edition from the very fast herd.
US sales of the GT-R SE are slated to begin in September. Scroll down for the official press blast.

Nissan backing off IDx, BladeGlider and Infiniti Eau Rouge amid focus shift

Nissan and Infiniti are officially under the microscope after their presentations at the 2015 Detroit Auto Show focused on the new Titan pickup and Q60 Concept, but lacked any and all mention of allegedly production-bound examples of the Q50 Eau Rouge, IDx and BladeGlider EV concepts. Automotive News reports that the lack of info on the three concept cars, which had previously heralded a more performance-minded Nissan/Infiniti, has signaled a shift in priorities at the Japanese company. Instead of driver-oriented models, emphasis is seemingly being focused more on volume offerings. Nissan was subject to a pair of high-level executive departures last year, with both Andy Palmer and Johan de Nysschen departing for Aston Martin and Cadillac, respectively. Both execs were strong proponents of more driver-oriented offerings, with Palmer championing the compact, rear-drive IDx coupe and de Nysschen backing the high-performance Q50 Eau Rouge. While Palmer has been mum on his former employer's alleged move away from performance, de Nysschen made headlines last month after calling out a Nissan vice president in a Facebook post saying he "heard a rumor that Noboru Tateishi is going to cop-out and shelve the Eau Rouge project now that I'm not there to pressure him," while adding that the VP has "more enthusiasm for 'driver's aid's,' apparently, than 'driver's cars.'" AN reached out to Infiniti, with North American VP Michael Bartsch telling the publication that no decision had been reached about the Eau Rouge and that the company was more focused on rebuilding its core portfolio. Featured Gallery Nissan IDx Nismo View 34 Photos Related Gallery Infiniti Q50 Eau Rouge Concept View 24 Photos Related Gallery Nissan BladeGlider Concept View 22 Photos News Source: Automotive News - sub. req.Image Credit: Nissan, Infiniti Rumormill Infiniti Nissan Coupe Luxury Performance Sedan infiniti q50 infiniti q50 eau rouge nissan bladeglider concept