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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, Mahindra may bond over EVs

Like Lloyd in Dumb & Dumber rejoicing that he's got a "one out of a million" chance with Mary Swanson, electric-vehicle advocates in India can do the same. That's because both local automaker Mahindra and Japan-based Nissan say they would consider working together to promote EVs in that country. Executives with Nissan and Mahindra, which makes the Reva e2o EV, independently told Autocar Professional that they would consider collaborating with the other company in order to speed up plug-in vehicle adoption in India. Nissan, which already works with companies such as Honda, Mitsubishi and Toyota to various degrees, said this collaboration would most likely revolve around electric-vehicle charging infrastructure advancements, a move that obviously helps all plug-in vehicles. Of course, nothing official has been announced. Last March, the Mahindra Reva e2o, which costs the equivalent of about $11,000, went on sale in India, with the company estimating at the time that it could manufacture 30,000 of the electric vehicles each year. In February, Mahindra debuted two electric cars at the New Delhi Auto Show, including the Mahindra Reva Halo EV concept sports car and the Mahindra Racing Formula E electric race car. The following month, India's Financial Express reported that Mahindra was targeting Sri Lanka and Norway for e2o sales. That car has a 62-mile single-charge range and a top speed of about 60 miles per hour. Featured Gallery Mahindra Reva E2O News Source: Autocar Professional via Cartrade.comImage Credit: Copyright 2014 Gisli Gislason Green Nissan Electric mahindra collaboration

ROEV lets you use multiple charging networks with one account

It may be a textbook case of a first-world problem, but any EV driver who doesn't want to carry two or three plug-in vehicle charging station cards when one would do is about to get a little smile on their face. This morning at the LA Auto Show, the new ROEV Association was announced that will let EV drivers carry just the one card. While you would think the all-caps ROEV stands for something, none of the pre-announcement materials nor the website explain it that way. Instead, it seems to just be a play on rove, which makes a lot of sense. There are three charging networks involved in ROEV: Blink, ChargePoint, and EVgo. Conveniently, these are the three largest in the US and have a combined 17,500 public chargers across the country. If you've got an account with one of these three networks, once ROEV goes into effect (expected in the spring of 2016), you'll be able to use that card at any participating charger without signing up for another account. Your personal details are kept private, ROEV says, and the companies coordinate behind the scenes to make it work. Pricing details were not disclosed. Besides the three main charging networks, two automakers are also founding members of ROEV: BMW and Nissan. ROEV says that Audi and Honda have also have already joined the Association and the organization wants to pull in all EV stakeholders to make electric vehicle charging easy. Fans of EV technology will note that ROEV has nothing to do with promoting either the CHAdeMO or the SAE Combo (CCS) fast charging standard. The Leaf is a CHAdeMO car while the i3 uses CCS, for example. The charging networks, of course, provide both kinds of plugs and don't promote one over the other. Tesla and its Supercharger network are not involved in ROEV, but Tesla drivers can, of course, participate in ROEV.