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Next-gen Nissan Leaf will look more mainstream, have more range

The next-generation Nissan Leaf battery-electric vehicle will look better and go farther on a single charge, company executives tell Automotive News. How much better and how much farther remains to be seen, as does the timing on when the new version will be available to the public. Nissan executive Andy Palmer, speaking recently at the Beijing Motor Show, implied that an electric vehicle would need to have a 185-mile single-charge range to be competitive with hydrogen fuel-cell vehicles, once those arrive in larger numbers. While Nissan boosted its single-charge range by about 15 percent for the 2014 model-year Leaf, the automaker would need to double it to reach that competitive threshold. This seems unlikely for the next-gen model, but we can start making our guesses as to how many more miles Nissan will put into the pack. Regardless, the next-generation Leaf, which may come out around 2017, will at least look a bit more mainstream while it reaches for more range, Automotive News says, citing Nissan global design chief Mamoru Aoki. Indeed, the car, which will keep its hatchback layout, will likely look less angular, said Aoki, who complimented Tesla for the way it styled its Model S luxury electric sedan. Nissan's Infiniti arm could also debut its delayed luxury electric vehicle in 2017, complete with the improved battery pack. Angular looks and all, Nissan continues to increase sales in the US. Leaf sales through April were up 33 percent from 2013, to 7,272 units after more than doubling sales last year to 22,610 vehicles.

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.

Renault and Nissan in talks that could reshape autos alliance

PARIS/TOKYO – Renault and Nissan said on Monday they were in talks about the future of their alliance, including the Japanese automaker considering investing in a new electric vehicle venture by its French partner. The talks, which could prompt the biggest reset in the alliance since the 2018 arrest of longtime executive Carlos Ghosn, have included consideration of Renault selling some of its Nissan stake, two people with knowledge of them said. Negotiations are expected to continue ahead of a Renault investor presentation in early November, when the French carmaker is expected to give an update on its new EV unit, which is code-named "Ampere." Renault owns about 43% of Nissan, which in turn has a 15% stake in its long-term partner. The French state also has a 15% holding in Renault. Shares in Renault rose by as much as 6% in early trading, making the stock the best performer on France's benchmark CAC-40 equity index. They were up 3.54% by 1105 GMT. Renault and Nissan said in a joint statement that they were "engaged in trustful discussions around several initiatives" including a potential Nissan investment in the EV venture and what they called "structural improvements" in their alliance. Renault CEO Luca De Meo, who was in Japan over the weekend, and Nissan CEO Makoto Uchida have been central to talks about reshaping its terms, a person familiar with the talks said. A group of Nissan executives, including Chief Operating Officer Ashwani Gupta, have also been involved in developing discussions in recent months, the person said. Renault is looking to win Nissan as an investor in its new EV venture, which it is setting up alongside a separate combustion engine unit, essentially splitting out the higher-growth and investment-hungry portion of its auto business. In exchange for investing in the EV venture, Nissan is looking to Renault to reduce its stake in the Japanese automaker, a person familiar with the talks said. The French dominance of the alliance has long been a point of contention for Nissan, which wants Renault to cut its stake to 15% to draw level with its own holding in Renault, the source familiar with the matter told Reuters. For Nissan, the talks could represent a chance to reset a structure that many executives at the Japanese firm have seen as unbalanced, given the way vehicle development work between the two carmakers has progressed in recent years.