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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.

Ghosn out at Nissan, still in at Renault, still in jail in Tokyo and facing more charges

When the corporate jet carrying Renault- Nissan- Mitsubishi CEO Carlos Ghosn landed at Tokyo Haneda airport on November 19, Japanese authorities had already taken position on the tarmac, waiting for him. Police and authorities representing Tokyo prosecutor's office boarded the plane to query Ghosn about financial improprieties, and ended up taking Nissan's chairman and CEO into custody. A few days later, on November 22, Nissan's board voted to remove Ghosn from both positions for what it classified as "significant acts of misconduct." The charges include understating his income in filings to the Tokyo Stock Exchange by at least $44 million, and misusing company funds. Japanese police arrested Greg Kelly as well, the high-ranking Nissan exec said to have assisted Ghosn in the subterfuge. Ghosn and Kelly remain on Nissan's board until a shareholder vote is held to decide those positions. Kelly was Nissan's first American director, and the carmaker's former head of human resources. In France, Renault's board voted to keep Ghosn in his positions, and has requested details from Nissan about the alleged improprieties. The board put Thierry Bollore in the role of deputy CEO with all of Ghosn's powers while Ghosn is "incapacitated," and lead independent director Philippe Lagayette will act as temporary chairman. Nissan has since told Renault that it is investigating financial malfeasance at RNBV, the Amsterdam-based joint-venture company that oversees the alliance. Mitsubishi has watched from afar, only saying it will perform its own investigation, and could remove Ghosn. Tokyo police can hold a suspect for 72 hours for initial questioning without charges. With the deadline looming, Tokyo prosecutors asked the court for, and were granted, a ten-day extension. If they choose, prosecutors can request another ten-day extension. Within 23 days, however, prosecutors either need to charge Ghosn and Kelly, or release them. There are several charges that acquire more details by the day. The most serious accusation is that Ghosn understated his pay from 2011 to 2015 by half, claiming roughly $44 million in remuneration when he actually received around $88 million. Over the weekend, it came out that Japanese prosecutors could be working on new charges of Ghosn under-reporting his salary since 2015 by $27 million. A Japanese newspaper said Ghosn told Kelly in an email to lie on the financial statements.

Nissan GT-R takes a bloody whack at supercar rivals in fake ads

A big part of what makes a supercar super is how it makes you feel, but the performance stats and bragging rights are undeniably a big part of the equation as well. Which means you can't ignore the fact that, even with its price ever escalating, the Nissan GT-R makes minced meat out of European exotics costing twice or three times as much.
That's the inspiration for this trio of fake ads from photographer Tim Kent. In this mock campaign, Kent has depicted the GT-R as a butcher's knife and the European exotics as pieces of slaughtered meat. Ferrari is symbolized by a package of horse meat, Porsche by a pack of sausages and Lamborghini as a pair of, um... "prairie oysters".
Of course the ads are never going to run anywhere, and if you're squeamish (or vegetarian) we wouldn't suggest looking at them in close proximity to your lunch. But we have to admit they're creative, and effective.