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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, Infiniti recall more than 130,000 vehicles for potential fuel leak

Nissan and its luxury brand, Infiniti, are set to recall 133,592 vehicles after discovering that fuel could leak out around the pressure sensor, potentially increasing the chances of a fire. While Nissan lists five nameplates in its recall, there are actually only three models affected by the improperly tightened fuel pressure sensor. They include the 2012 to 2014 Nissan Juke, as well as 2012 to 2015 Infiniti M56/Q70 sedans and QX56/QX80 SUVs. Nissan will begin notifying owners of affected vehicles soon, with the recall expected to officially kick off no later than January 26, 2015. Naturally, repairs will be conducted free of charge. Scroll down for the official bulletin from the National Highway Traffic Safety Administration. And stay tuned for more news coming out of the NHTSA offices today. In addition to Honda's expansion of its recall for vehicles with Takata-built airbag inflators, the regulatory body published a huge number of unrelated recalls this morning, helping to stack the total number of called-back vehicles even higher in these last weeks of 2014. Report Receipt Date: NOV 28, 2014 NHTSA Campaign Number: 14V683000 Component(s): FUEL SYSTEM, GASOLINE Potential Number of Units Affected: 133,592 Manufacturer: Nissan North America, Inc. SUMMARY: Nissan North America, Inc. (Nissan) is recalling certain model year 2012-2014 Nissan Juke, 2012-2013 Infiniti M56, QX56, and 2014-2015 Infiniti Q70, and QX80 vehicles. The fuel pressure sensors may not have been sufficiently tightened during production. As a result, the fuel pressure sensor may loosen with vehicle usage and cause a fuel leak. CONSEQUENCE: A fuel leak in the presence of an ignition source could cause a vehicle fire. REMEDY: Nissan will notify owners, and dealers will replace the fuel pressure sensors, as necessary, free of charge. The recall is expected to begin on or before January 26, 2015. Owners may contact Nissan customer service at 1-800-647-7261. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. This is an expansion of recall 12V-069 Featured Gallery 2015 Infiniti QX80 View 26 Photos Related Gallery 2013 Nissan Juke Nismo News Source: National Highway Traffic Safety AdministrationImage Credit: Infiniti, Nissan Recalls Infiniti Nissan Safety Crossover SUV Luxury Sedan infiniti qx80 infiniti m56 infiniti q70

Forza Horizon G-Shock Car Pack brings Nissan IDx, Subaru Brat [w/video]

With winter's icy grip around much of the nation, now may be the perfect time to sit inside at night and enjoy some video games. The latest six-car G-Shock pack for Forza Horizon 2 on the Xbox One is now here, and it gives players a very eclectic group of vehicles to race around the game's open world. This month's group of vehicles spans the decades ranging from 2015 back to 1953. The newest and only concept of the group is the 2015 Nissan IDX Nismo. Since the production chances for this retro coupe look increasingly slim, this game might be your only chance to get behind the concept's wheel. However, if you prefer driving something a bit more classic and Italian, the 1953 Ferrari 500 Mondial is available. To add one more flavor of performance, there is the 2010 Mazda Mazdasped 3 hot hatch, which is also this month's free car for download. In addition to three takes on the sports car, Turn 10 is also offering a trio of off-roaders. The quirkiest among them is the 1980 Subaru Brat GL, which features two jump seats in the back to avoid the dreaded chicken tax. If you prefer something more boxy and American, then the 1975 Ford Bronco is sure to please. Finally, for some real power to get through the mud, there's the 2013 Ford F-150 SVT Raptor as tuned by Shelby with a supercharged 6.2-liter V8 making 575 horsepower. As usual, the whole pack costs players $5 to download, or it's free as part of the season pass. Scroll down for a brief video showing all of these virtual rides off and read the press release about them from Turn 10 Studios. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. "Forza Horizon 2" G-Shock Car Pack Now Available Welcome to the New Year! Are you ready to hit the roads of "Forza Horizon 2" for Xbox One in some new rides? You better be because the G-Shock Car Pack is lighting up the new year with some amazing vehicles. Leading off the pack is a "Forza" First: the 2015 Nissan IDx NISMO is making its videogame debut in "Forza Horizon 2." The IDx prototype harkens back to Nissan's storied automotive history, with its compact size and aggressive appearance, and looks to the future with some serious under-the-hood performance. Take a spin in this gem, and you will be startled by its performance and charmed by its presence. The remaining cars of the pack also have "Horizon Festival" written all over them.