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Here’s how 20 popular EVs fared in cold-weather testing in Norway

Electric vehicles are known to suffer diminished performance in cold weather, but some do a better job than others hanging onto their range capacity while cabin heaters and frigid outdoor temperatures sap power from their batteries. Recently, the Norwegian Automobile Federation put the 20 of the best-selling battery-electric vehicles in the country to the test, to see not only how winter weather affected their range but also their charging times. The major findings: On average, electric vehicles lost 18.5% of their official driving range as determined by the European WLTP cycle. Electric vehicles also charge more slowly in cold temperatures. And interestingly, the researchers learned that EVs don’t simply shut down when they lose power but instead deliver a series of warnings to the driver, with driving comfort and speed levels maintained until the very last few miles. Because itÂ’s Norway, the worldÂ’s top market for electric and plug-in hybrid vehicles by market share, the test included many EVs that arenÂ’t available here in the U.S. But there are many familiar faces, among them the Nissan Leaf, Tesla Models S, 3 and X, Hyundai Kona (known here as the Kona Electric) and Ioniq, and Audi E-Tron. In terms of range, the top-performing EV was the Hyundai Kona, which lost only 9% of its official range, which the WTLP rated at 449 kilometers, or 279 miles, compared to its EPA-rated range of 258 miles on a full charge. It delivered 405 km, just enough to nudge it ahead of the Tesla Model 3, which returned 404 km. Other top performers included the Audi E-Tron, in both its 50 Quattro (13% lower range) and higher-powered 55 Quattro (14% lower) guises; the Hyundai Ioniq (10% lower); and Volkswagen e-Golf (11% lower). At 610 km (379 miles) the Tesla Model S has the longest WLTP range of all models tested and went the furthest, but still lost 23% of its range, though it also encountered energy-sapping heavy snow at the end of its test, when many cars had dropped out. The Model 3 lost 28% of its range. The worst performer? That goes to the Opel Ampera-e, better known stateside as the Chevrolet Bolt. It traveled 297 km (about 184 miles) in the test, which was nearly 30% lower than its stated WLTP range. We should also note that Opel, now owned by Groupe PSA, is phasing the car out in Europe and that Chevy recently upgraded the Bolt here in the U.S.

Is 120 miles just about perfect for EV range?

When it comes to battery-electric vehicles, our friend Brad Berman over at Plug In Cars says 40 miles makes all the difference in the world. That's the approximate difference in single-charge range between the battery-electric version of the Toyota RAV4 and the Nissan Leaf. It's also the difference between the appearance or disappearance of range anxiety. The 50-percent battery increase has zapped any lingering range anxiety, Berman writes. The RAV4 EV possesses a 40-kilowatt-hour pack, compared to the 24-kWh pack in the Leaf. After factoring in differences in size, weight and other issues, that means the compact SUV gets about 120 miles on a single charge in realistic driving conditions, compared to about 80 miles in the Leaf. "The 50 percent increase in battery size from Leaf to RAV has zapped any lingering range anxiety," Berman writes. His observations further feed the notion that drivers need substantial backup juice in order to feel comfortable driving EVs. Late last year, the Union of Concerned Scientists (UCS), along with the Consumers Union estimated that about 42 percent of US households could drive plug-in vehicles with "little or no change" in their driving habits, and that almost 70 percent of US commuters drive fewer than 60 miles per weekday. That would imply that a substantial swath of the country should be comfortable using a car like the Leaf as their daily driver - with first-quarter Leaf sales jumping 46 percent from a year before, more Americans certainly are. Still, the implication here is that EV sales will continue to be on the margins until an automaker steps up battery capabilities to 120 or so miles while keeping the price in the $30,000 range. Think that's a reasonable goal to shoot for?

Carlos Ghosn in Twitter debut vows to 'tell the truth about what's happening'

TOKYO — Ousted Nissan boss Carlos Ghosn's sudden appearance on Twitter on Wednesday was a surprise move by the businessman that perplexed people and sent journalists scrambling, and not for the first time. The first tweet from the @carlosghosn account on the social network read, "I'm getting ready to tell the truth about what's happening. Press conference on Thursday, April 11." It did not specify a time or place. Featuring a photo of a smiling, grey-haired Ghosn standing in front of a tree with seasonal cherry blossoms, the account initially lacked the blue tick mark to show it had been verified by the social network. That left journalists unsure of its authenticity — particularly as the conditions of Ghosn's $9 million bail preclude him from using the internet. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Forty minutes later, when the blue tick appeared, the tweet swept across social media and the account's followers swelled to almost 20,000, from just a handful earlier. Some of the replies appeared sympathetic to Ghosn, with others carrying photos of his now-famous exit from a Tokyo detention center last month. "Stood right alongside you with #GiveGhosnBail. Looking forward to hearing your side," wrote one Twitter user with the name @highmileage. Ghosn had also caught media off guard when he disguised himself in a workman's uniform, cap and face mask to try and give waiting reporters the slip on leaving the detention center after his release on bail. The architect of the Nissan and Renault SA global alliance was then pursued by media as he rode away in a small work van, a Suzuki, topped with a ladder. Ghosn's dramatic fall from grace began with his arrest in November after getting off a private plane at Tokyo's Haneda Airport. He has since been charged with financial misconduct and aggravated breach of trust. On Wednesday, the Yomiuri newspaper said Tokyo prosecutors will soon decide whether to prosecute Ghosn on further charges. A further arrest could jeopardize the planned news conference. It remains unclear if Ghosn sent the tweet or it was sent on his behalf. His bail conditions allow him to access a computer at his lawyer's office but forbid him to use the internet. Government/Legal Mitsubishi Nissan Renault renault-nissan