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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.

Autoblog fan favorite car ads from Super Bowl XLIX

Super Bowl XLIX is in the books, and the New England Patriots emerged victorious. Of course, if you're like us, the big game wasn't so much about the battle between the east coast and west, so much as a fight between the world's automotive advertisers. We collected and collated all of last night's new ads and put them together for you to vote on. And yes, we're limiting this year's contest to last night's new features. That's why you aren't seeing Dodge's epic Wisdom among our collection of commercials, and it's a similar story with Chevrolet's Truck Guy Focus Group series, which highlights the new Colorado. You can still vote for your favorites. We won't be closing the voting on our Super Bowl page, so while the winners and losers are correct as of this writing, it's entirely possible that there could be some changes in the rankings as time goes on. So, without any further ado, here are the winning ads based on your voting. Nissan: With Dad Fiat: Ready For Action Jeep: Beautiful Lands BMW: Newfangled Idea Mercedes-Benz: Fable NASCAR: America Start Your Engines As for those ads that failed to impact you, loyal readers, Toyota was the absolute, undisputed loser. The Japanese brand ran four ads in total – two for Toyota and two for Lexus – and all of them have negative tallies as of this writing. Lexus' Make Some Noise and Lets Play and Toyota's One Bold Choice and My Bold Dad both had very weak showings among the commercials that aired, although they weren't alone. Neither Mazda nor Kia scored particularly well, despite featuring celebrity magic act Penn and Teller and former James Bond, Pierce Brosnan, respectively. Chevrolet was the winner of the losers, as of our writing, recording the fewest downvotes for its audience-punking The Big Game ad. If you want to take a second look at the losing ads, you can head back to our Super Bowl page for the complete collection. But for now, head into Comments and let us know what you think of the results.

Lawyer for Ghosn slams bail condition as human rights violation

TOKYO (AP) — The lawyer for Nissan's former chairman Carlos Ghosn on Saturday criticized a bail condition that prevents his client from seeing his wife, as Ghosn awaits trial on financial misconduct charges. A judge has forbidden Ghosn from seeing his wife, Carole, including in the presence of lawyers, or talking to her on the phone. Prosecutors say the restriction is needed to prevent evidence tampering. "This is unfair," Takashi Takano, the lawyer, said in a phone interview, calling it a human rights violation. "It's cruel and unusual." His earlier appeal of the ban, rejected by district and appeals courts, went to the Supreme Court, which turned it down last month. The Supreme Court decision cannot be appealed, but Takano vowed to keep filing new petitions, stressing that the Supreme Court has not yet ruled on the constitutionality or the human rights aspects. The next one will be filed within two or three weeks, he said. Ghosn's lawyers recently filed a second petition with the U.N. Working Group on Arbitrary Detention, arguing that the restrictions on seeing his wife amount to a deprivation of fundamental human rights. Takano acknowledged that the situation looks dismal, as Japan's Supreme Court is not easily influenced by other governments' views or by public opinion. "Even the strongest man in the world can be stressed, psychologically damaged. That's very natural as a human being," said Takano, noting that Ghosn was holding up well compared to other clients he has had. Ghosn has been aggressively taking part in meetings with his defense team, according to Takano. The case has entered the stage known as "pre-trial sessions," during which both sides hand in evidence. A trial date has not been set. In Japan, preparations for trials routinely take months. Ghosn, who led Japanese automaker Nissan Motor Co. for two decades, was arrested in November and charged with falsifying financial documents in reporting retirement compensation, and with breach of trust in diverting Nissan money toward personal investment losses and a company effectively run by him. Ghosn, 65, a Brazilian-born Frenchman of Lebanese ancestry, has repeatedly said he is innocent, accusing some at Nissan of plotting against him and opposing a plan to merge Nissan with French alliance partner Renault. Renault is set to vote Tuesday on a possible merger with Fiat Chrysler.