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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.

These are 2014's best-selling cars and trucks

Now that 2014 is no more than a set of numbers on spreadsheets, at last, the grist mill gets its first real load to chew on. The number one selling vehicle in America last year was the Ford F-Series, a fact that should surprise you only if your family name is Van Winkle and your naps tend to last 38 years, which is how long the Ford pickup has ruled our buying landscape. Even though series sales were down 1.3 percent, it still racked up 753,851 units. That's 2,065.3 sales per day, every day, all year. The Chevrolet Silverado, up 10.3 percent for the year, was still a daylight second at 529,755 units. The cab-and-bed love continued into third place with the Ram 1500-3500 trucks, gaining 23.6-percent year-on-year to clock 439,789 units. The robust turnout at The Bighorn and Jeep helped Fiat-Chrysler increase its sales by 16 percent, past the two-million mark. Our number one car? The Toyota Camry, staying in first place with a 4.9-percent sales boost to 428,606 sales, trailed again by the Honda Accord at number five with 388,374 sales. Accord sales rose six percent, and if it's any consolation to Honda for coming in second - not that it needs one - it is the only manufacturer to have three vehicles in the top ten. The rest of the list: the Nissan Altima with 335,644 sales (+4.7%), the Honda CR-V with 355,019 (+10.2%), the Toyota Corolla/Matrix combo with 339,498 (+5.9%), the Honda Civic with 325,981 (-3.1%), and the Ford Fusion with 306,860 sales (+2.9%). Total sales for the year were up six percent to 16.5 million vehicles, a volume not seen since 2006, aided by a strong December that was up by 11 percent year-on-year. Ford was the top selling brand overall but sales didn't really budge from 2013, while Subaru rocketed up 21 percent to finish with 513,693 sales. At the precious end, BMW, Audi, Porsche and Land Rover all had record years, and Kelley Blue Book thinks we could be looking at 17 million sales for the next two or three years. Looks like it's time to start making hay again... Featured Gallery Best-selling vehicles of 2014 View 10 Photos News Source: Detroit News, Associated Press Auto News Chevrolet Ford Honda Nissan RAM Toyota Car Buying Truck Sedan sales

St. Louis man charged in killing of Illinois college student

A St. Louis man has been arrested and charged with murder in the slaying of a 19-year-old Illinois college student who went missing while trying to sell his sports car on Craigslist, authorities said. Capt. Tim Fagan of the Florissant, Missouri, police department said at a news conference Wednesday night that 24-year-old Michael Gordon was taken into custody Tuesday and was being held at the St. Louis County jail in lieu of $1 million bond. Gordon has been charged with first-degree murder and armed criminal action in the death of Taylor Clark, a sophomore engineering student at Southern Illinois University-Edwardsville. Fagan, the deputy commander of the Major Case Squad of Greater St. Louis and lead investigator in the case, said police arrested Gordon after his name was found in emails Gordon traded with Clark about the car Clark was trying to sell. Investigators said the two did not know one another before they met. Police say Gordon is an employee of a truck driver training center in the St. Louis suburb of Hazelwood, Missouri, not far from where Clark's 2007 Nissan 350ZX and body were found Tuesday. It was not immediately clear whether Gordon has an attorney. Clark, who is from the southwestern Illinois town of St. Jacob, was reported missing by family members on Monday. Authorities say he was last seen by his girlfriend. "Our hearts and minds are with Taylor Clark's family and friends as they cope with this tragic loss," SIU-E Chancellor Julie Furst-Bowe said in a statement issued Wednesday. "At a time of the year when the new spring season brings the promise of brighter days ahead, and commencement provides unending potential for so many of our students, it is truly sad that Taylor had his bright future taken away." The Belleville (Illinois) News-Democrat reported that Clark worked at a convenience store in Troy, where a candlelight vigil was scheduled for Wednesday night. A similar vigil was held Tuesday night on campus. Clark's death comes during the same week as a Monday court hearing in St. Charles County in which a 23-year-old man was sentenced to life in prison for fatally stabbing a 45-year-old St. Louis man during an encounter and planned robbery in 2012 that was set up through a Craigslist ad. On the same day of the hearing, Fairview Heights, Illinois, police unveiled a "safe exchange zone" on its parking lot, complete with security cameras, to help citizens safely broker online transactions with strangers.