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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.

Nissan may take control of struggling Mitsubishi Motors

Update: The reports were largely correct. Nissan will take a 34 percent stake in Mitsubishi for roughly $2.2b. Read all about it here. Reports say Nissan will buy a controlling stake in Mitsubishi Motors, either 30 or 34 percent, for about 200 billion yen or $1.84 billion. Nissan and Mitsubishi motors are currently part of a joint venture, NMKV, to build minicars together. Nissan is also responsible for reporting fuel-economy discrepancies with cars built under the joint-venture agreement, which put Mitsubishi in its current weakened state. Earlier today, reports surfaced that the fuel-economy issues were wider ranging than originally thought. Mitsubishi now admits that all of its Japanese-market cars sold since 1991 could have had faked fuel-economy data. Shares of Mitsubishi Motors have dropped by about half since the scandal was uncovered, opening the door for a takeover. While Nissan is a much larger company, it can benefit from Mitsubishi's 60-percent share of Japan's minicar market. The two companies also had plans to build electric vehicles together in the joint venture. Japan's Nikkei reports that talks are ongoing between the company and that a decision could be made Thursday by the companies' boards. Related Video: News Source: Nikkei Green Mitsubishi Nissan

Nissan withdraws from two races to focus on Le Mans

Nissan is making a huge bet and putting all of its chips on the 24 Hours of Le Mans for the race debut of the GT-R LM Nismo. The team will now skip the World Endurance Championship test at Paul Ricard in France later this month and also won't compete at the first two races of the season at Silverstone and Spa-Francorchamps. The team made the announcement through two tweets (embedded below). "Our main aim for this year was always Le Mans and we have decided to re-focus on that race," Darren Cox, Nissan Motorsport boss, said to Autosport. In the meantime, the company will keep testing the car in the US right up until the big race. The driver lineup and a GT-R Nismo for display will make an appearance at the season-opening round at Silverstone on April 12, though, according to Autosport. This isn't the first setback for the team. The GT-R LM suffered a failure of a "very minor" part during testing in early March at Sebring, and the team didn't have a spare with it. The car had run 68 laps over the preceding two days. The GT-R LM uses a powertrain unlike any other vehicle in its class. A twin-turbocharged V6 has front-mid-engine placement, and it's combined with electric motors making over 700 horsepower. In total, the system generates a claimed output of over 1,250 horsepower. With no competitive racing under its belt before Le Mans, the Nissan is definitely going to be a car to watch in the big event this year. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Related Video: