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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.

Mitsubishi Motors halts some SUV sales in Japan as MPG scandal grows

Mitsubishi's fuel-economy scandal is going from bad to worse. First, the Japanese automaker claimed it lied about the fuel economy for a few kei cars, then it claimed fuel economy tests for as far back as 1991 could reveal mile-per-gallon figures that were tampered with. In May the automaker, admitted that every single vehicle it's sold in Japan could be affected by the fuel-economy scandal. Now, the Japanese automaker revealed that more of its vehicles were involved in the fuel-economy cheating scandal – and one of them is sold in the US. After completing its investigation into the automaker's fuel-economy scandal, Japan's Transport Ministry found that Mitsubishi overstated the fuel economy for eight more vehicles in marketing brochures, one of which is sold as the Outlander Sport in the US, reports Automotive News. The Transport Ministry ordered Mitsubishi to stop domestic sales of the models, which include the Pajero, Outlander, and RVR SUV (known as the Outlander Sport in the US). The latest finding adds to four kei cars that were previously noted for having overstated fuel economy figures earlier this year. Japan's sixth-largest automaker is having a hard time recuperating since the scandal broke earlier this April. The initial scandal led to the automaker suspending its sales, which caused a large dip in the automaker's market value. The scandal required Mitsubishi to seek financial assistance from Nissan, which agreed to buy a controlling 34-percent stake for $2.2 billion. Investigators hired by Mitsubishi to look into the automaker's overstated fuel economy figures revealed the company's "corporate culture" as the issue. More specifically, the investigators founds the company's pressure to improve fuel-efficiency figures, a lack of unity between divisions, and an unwillingness to accept fuel economy shortfalls as the reason for falsifying its vehicles' mpg figures. Mitsubishi is expected to compensate Japanese owners for the overstated fuel economy figures, which would result in a massive loss for the automaker. The company is expected to post a net loss of roughly $1.4 billion this year, pushing Mitsubishi into the red for the first time in approximately eight years. Related Video: News Source: Automotive News-sub.req.Image Credit: Tomohiro Ohsumi / Bloomberg via Getty Images Government/Legal Green Mitsubishi Nissan Fuel Efficiency kei car scandal

Nissan Juke facelift spied during testing

The Nissan Juke boldly reinvented the subcompact crossover for the modern age a decade after the niche's progenitors - the first-generation Toyota RAV4 and Honda CR-V - grew well beyond their original, diminutive sizes. Since being introduced in 2010 as a 2011 model, the Juke has proven to be a huge sales success for Nissan in Europe and quite a success here, too. A modest refresh is planned for the 2015 model year of Nissan's tiniest crossover, and our spy shooters have caught an early glimpse.
The exact changes are not easy to spot, but you can bet that anywhere you see camouflage, a modestly new look is hidden underneath. The biggest change up front is the narrower grille that appears to no longer extend over the headlights. Assuming this isn't just a clever disguise, the change gives the impression that the Juke actually has distinct headlights, instead of massive fog lights. The more angular front air dam also appears to extend slightly lower than before, and the intakes appear to be revised as well.
The changes to the rear are even more minor. You can still see the outlines of the boomerang-shaped headlights, and any alterations to the rear bumper are impossible to spot behind the camouflage tape. It's also unclear at this point whether the interior will receive any refinements or new options.