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Recharge Wrap-up: Comparing Nissan Leaf performance by climate, natural gas iffy for trucks

A new Carnegie Mellon University study looks at the effects of regional climate variations on the Nissan Leaf. The study shows (unsurprisingly) that the ambient temperatures of different regions have effects on battery performance and the use of climate control, both of which affect range. Efficiency and grid mix determine regional differences in emissions per mile. CMU enumerated many of the differences in performance across the US. For instance, on the coldest day of the year, maximum range can be 70 miles on the Pacific Coast, while it is less than 45 miles in the Upper Midwest. These differences in efficiency can also affect adoption patterns. Read more at Green Car Congress. Battery charger manufacturer CTEK has licensed WiTricity wireless charging technology. CTEK looks to commercialize the wireless power transfer tech for use with electric vehicle batteries, making the "plug-in" aspect of EV charging unnecessary. WiTricity's charging technology stands out for its ability for distance charging via magnetic near field. "We are excited to be on the forefront of the next generation of battery charging products for consumers and industry, and look forward to leveraging WiTricity's ground-breaking technology to bring a new level of convenience and ease of use to market," says CTEK CEO Jon Lind. Wireless charging is convenient for the public, but also especially useful for emergency vehicles, which need to be ready at a moment's notice but also keep electrical systems online while the car is parked. Read more at Green Car Congress or at the WiTricity website. Switching heavy trucking fleets from diesel to natural gas could make economic sense, but the environmental benefits aren't as certain, according to a new study from UC Davis and Rice University. Certain regions - particularly California, the Great Lakes and mid-Atlantic regions - could benefit from the switch with minimal investment. "But to have an environmental advantage for reducing greenhouse gas emissions would take significant policy intervention," says Amy Myers Jaffe, executive director for Energy and Sustainability at UC Davis. This would mean stricter efficiency standards for natural gas trucks, as well as stronger regulations for methane leakage. Read more in the press release from UC Davis below.

Don't expect to hear about second-gen Nissan Leaf anytime soon

With Chevy revealing the first details of the next-gen Volt at the Detroit Auto Show last month and Tesla priming the pump for the lower-cost Model 3, we're obviously curious to hear about the next-gen Nissan Leaf. It looks like we're going to have to wait. "Of course things are in the works," Nissan's Brian Brockman told AutoblogGreen at the Chicago Auto Show last week, reminding us that the automaker has long been proud of its EV leadership. What that means in practice is that people shouldn't expect to hear anything specific about the new Leaf until we get closer to the summer, well after the New York Auto Show in April. After all, no other companies have to worry about cannibalizing existing pure EV sales, he said. The Chevy Volt is a plug-in hybrid so the now-confirmed Bolt EV that may get here in 2017 is likely to appeal to a slightly different crowd and the audience for a $30,000 Tesla Model 3 is not really the same as the one interested in today's $100,000 Model S. There are any number of other plug-in vehicles coming in the next few years, but the Leaf reigns supreme as the best-selling pure EV in the US, so forgive us if we're curious to know what's coming next, beyond that vague descriptions of it as more mainstream looking with a longer range. Related Video: Featured Gallery 2013 Nissan Leaf View 13 Photos Green Nissan Electric brian brockman

'I'm glad he did it': Carole Ghosn slams Japanese justice system

BEIRUT — Carlos and Carole Ghosn, the former first couple of carmaker Nissan, are united again in Beirut. They hold hands in the street and whisper together in a mix of Arabic and French. They kiss. But the pair's most visceral display of unity comes when they talk about Carlos Ghosn's former home. "I'm done with Japan," said Carole Ghosn in an interview with her husband in a private house in Beirut. Two weeks ago, Carlos Ghosn made a dramatic escape from house arrest in Japan, where he was awaiting trial on charges of under-reporting earnings, breach of trust and misappropriation of company funds. He denies all charges. Shortly after Ghosn appeared in Beirut, Japanese authorities issued an arrest warrant for Carole on suspicion of alleged perjury related to the misappropriation charge against her husband. "What they're accusing me of is a bit of a joke," said the 54-year-old Lebanese-American national, who spent many years as a fashion designer in New York and whose children live in the U.S. city.  "I testified for hours and they told me you are free to go, and now, nine months later ... this comes up. They are vindictive. This has nothing to do with the law."   Related: Yamaha warns to stay out of large musical instrument cases after Ghosn escape Ghosn says French ambassador told him: 'Nissan is turning against you'   Carlos Ghosn was even more adamant. "I spent 18 years in Japan; I never suspected this brutality, this lack of fairness, this lack of empathy." Tokyo prosecutors have said his allegations of a conspiracy are false and that he has failed to justify his acts. The plan to flee to his childhood home of Lebanon developed quickly with a small group of people, a "reasonable price" and utter secrecy, he said. "The first rule if you want to do something like is that no member of your family should be aware because they become very anxious," he added. Asked whether she would have dissuaded him from escaping, Carole Ghosn blurted: "Yes!" But then she paused, looked at her husband and added: "No. I mean, actually, let me rephrase. If you told me this at the beginning, I would have said, 'No, of course not. You're going to fight this and prove your innocence.' ... But then, with time, we saw how the prosecutors were behaving ... I said 'Oh my God, my husband is never going to get a fair trial,' and I was desperate." "I'm happy he did it," she said. Japan's justice minister has said Ghosn's escape from his trial could constitute a crime.