2005 Nissan Sentra Se-r Spec V Sedan 4-door 2.5l on 2040-cars

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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.

For next Nissan CEO, priority is profit before Renault partnership

The next head of Nissan Motor Co will need to prioritize a recovery in profits at the troubled Japanese firm ahead of trying to fix its relationship with top shareholder Renault SA, executives and analysts say. Reviving earnings would strengthen the carmaker’s hand in negotiations with its French partner, and is something Renault itself would welcome as the owner of a 43.4% stake in Nissan. JapanÂ’s second-largest automaker said on Monday CEO Hiroto Saikawa would step down on Sept. 16 after he admitted to being overpaid in breach of company rules. ItÂ’s another heavy blow for Nissan, which is already reeling from the arrest of former chairman Carlos Ghosn last year and a subsequent plunge in earnings. Its stock is down 20% this year. For SaikawaÂ’s yet-to-be-named replacement, the top priority will be lifting profits from a more than decade low. Earnings have been undercut by years of heavy discounts and low-margin sales to rental firms that have cheapened NissanÂ’s brand image. Renault, which has unsuccessfully sought a full-blown merger with its larger partner, is likely to give the Japanese firm time to focus on its turnaround, a Nissan executive said. “It goes without saying recovery is the biggest priority,” the executive said, declining to be identified because the information is not public. “We have RenaultÂ’s understanding on that.” Tensions in the Nissan-Renault partnership worsened after GhosnÂ’s arrest. He is awaiting trial in Tokyo on financial misconduct charges that he denies. The strain has sparked investor concern about the future of the Franco-Japanese automaking alliance at a time when car companies desperately need scale to keep up with sweeping technological changes like electric vehicles and ride-hailing. Nissan executives have long complained about their unequal partnership with Renault, which saved the Japanese firm from bankruptcy in 1999. Nissan holds a 15% stake in Renault, but without voting rights. Tokyo is also seen as being uneasy about the French governmentÂ’s 15% holding in Renault, which makes Paris an indirect shareholder in Nissan. “Profitability is likely to remain under pressure and it (Nissan) is unlikely to promptly reach an agreement with Renault over the future shape of the alliance,” analysts at Standard & PoorÂ’s said in a note. Tensions worsened when Renault tried to in vain to merge with Nissan and then Fiat Chrysler.

Carlos Ghosn says his family played no role in escape from Japan

Men guard a vehicle as it arrives at the home where former Nissan Chairman Carlos Ghosn is staying in Beirut, Lebanon, Thursday. / AP   BEIRUT — The family of former Nissan boss Carlos Ghosn played no role in his escape from Japan, Ghosn said in a statement on Thursday, days after his abrupt arrival in Beirut from Tokyo, where he faces trial for alleged financial misconduct. "There has been speculation in the media that my wife Carole, and other members of my family played a role in my departure from Japan. All such speculation is inaccurate and false," said the statement. "I alone arranged for my departure. My family had no role whatsoever." Sources close to Ghosn said he was prompted to flee after a recent court session in which he learned that the second of two trials would be delayed until April 2021. "They [prosecutors] said they needed another whole year to prepare for it. ... He was distressed about not being able to see or speak to his wife," one of the sources close to Ghosn said. A request to see or speak to his wife over Christmas was also denied, the sources added, part of strict conditions set on his bail. The sources said Ghosn had grown distressed that authorities were pressuring his family to draw a confession from him after his daughter and son were questioned by Japanese prosecutors in the United States in early December. Government/Legal Nissan Renault