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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.

2016 Nissan GT-R gets 45th Anniversary Gold Edition

The Nissan GT-R is going for the gold again in 2016 after 2012's special Usain Bolt one-off. This time the precious metal paint job is going on just a few more cars to celebrate the 45th anniversary of the original Skyline GT-R. The 45th Anniversary Gold Edition of the GT-R paints the Premium trim of the twin-turbocharged sports coupe a somewhat subdued golden shade called Silica Brass. The VIN plates are in a similar hue, and there's a commemorative plaque on the center console. Nissan spokesperson Dan Passe tells Autoblog that based on projections, the company plans to sell 30 or fewer anniversary editions in the US. The special models carry an extra $1,000 on top of the Premium's starting $101,770, plus a destination charge of $1,595 on all vehicles. Because of the limited numbers, Passe recommends interested customers place an order through dealers soon. The anniversary edition isn't the only thing new to the lineup, though. The Premium and Black Edition models both get an extra five horsepower to push output to 550 hp, but the the Nismo remains unchanged with 600 hp and 481 lb-ft. The Premium trim also now wears 20-spoke forged aluminum wheels from Rays to replace the earlier 10-spoke design. One thing not changing for the GT-R is the pricing, after going north of $100,000 for the 2015 model year. The Black Edition still retails for $111,510 and $149,990 for the Nismo. Related Video: NISSAN ANNOUNCES PRICING FOR 2016 GT-R 16/03/15 from Nissan Pricing remains unchanged for 2016; GT-R Premium and GT-R Black Edition receive five additional horsepower; GT-R Premium adds new 20-spoke wheels NASHVILLE, Tenn. – Nissan today announced pricing for the 2016 Nissan GT-R supercar, which is on sale now at select Nissan dealers in the United States. Prices* for the three 2016 GT-R models remains unchanged from last year, despite several significant enhancements, including: Additional five horsepower for the GT-R Premium and GT-R Black Edition All-new 20-spoke wheels for the GT-R Premium New 45th Anniversary Gold Edition, featuring a special exterior paint color The 45th Anniversary Gold Edition, built off of the GT-R Premium model, commemorates the GT-R's long heritage of world-class high performance. Featuring a special gold paint color, the limited edition model also includes a special gold-tone VIN plate located inside the engine compartment and a special commemorative plaque on the interior center console.

Nissan happy with plug-in vehicles for now, will wait on hydrogen

Anyone who's driven the Nissan Leaf knows that it won't set any land speed records. Still, ask Nissan Vice Chairman Toshiyuki Shiga, and the battery-electric vehicle will be miles ahead of any hydrogen fuel-cell vehicles for the foreseeable future in Nissan's advanced-powertrain plans. Figuratively, of course. Shiga, speaking in Singapore, elaborated on Nissan's interest in developing a production hydrogen fuel-cell vehicle, and, to put it bluntly, he said the company didn't have much interest, the Japan Times reports. Sure, Nissan reached an agreement with Mercedes-Benz parent Daimler and Ford early last year to work together to speed up fuel-cell-vehicle powertrain development. Like Toyota, Honda and Hyundai, the automakers appear to be following the axiom that hydrogen fuel-cell technology is the best-of-all-worlds option for advanced powertrain because of the combination of zero emissions and conventional-vehicle-like full-tank range. Still, the prohibitively high cost of building hydrogen refueling stations will prevent any substantial adoption anytime soon, Shiga says, hence Nissan's focus on battery-electric vehicles. Nissan sells the all-electric Leaf in about 40 countries, and the model is the best-selling battery-electric vehicle in the world. In the US, Nissan sold 24,411 Leaf vehicles through October, up 35 percent from a year earlier.