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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.

BMW could expand 'i' lineup

Well, this isn't exactly a surprise. BMW CEO Harald Krueger (shown above) has hinted that the i3 electric car and the i8 plug-in supercar could soon be blessed with a bouncing brother, perhaps in the form of the oft-rumored i5. Specifically, Krueger told Frankfurter Allgemeine Sonntagszeitung (as reported by Automotive News) that there was certainly room in the middle of the i sub-brand's current two-model lineup "from the number point of view." The exec declined to offer any additional information. Unlike the i3 and i8, which are their own unique products independent of the rest of the BMW range, the i5 will allegedly be based on 5 Series sedan. It would also eschew the all-electric approach of the i3 in favor of a new and different version of the plug-in hybrid powertrain used in the i8. Rather than that car's turbocharged, three-cylinder gas engine, 129-horsepower electric motor, and 357 total system hp, the rumored i5 – according to our most recent report – would be significantly more powerful. There are rumblings that the new model would have anywhere from 544 hp to 640 hp, with at least two electric motors (one on each axle, making it effectively all-wheel drive). On top of the high performance, the i5 will have no issue running on EV power. According to one report, there'd be up to 78 miles of electric range, and would run purely on electricity up to 36 miles per hour. Even then, the gas engine would only join the party when under hard throttle. What do you think? Will BMW come out with a four-door PHV that could potentially outrun the current M5? Have your say in Comments. Related Video:

BMW X4 tunes up its crossover game in Germany

Except for the fancy wheels and the overly expressive fascias, the production version of the BMW X4 looks like it will carry over practically untouched from what we saw in the X4 Concept several months back. With the same fastback roofline as the concept, these spy shots show that the X4 is taking shape to be a baby version of the BMW X6.
Sharing the same platform as the X3, the lower and wider X4 will be positioned slightly more upmarket - as is the case with the X5 and X6. We hear that this could mean that the X4 will ditch the X3's base engine to give an even sportier feel right out of the gate, but word has it that an M version will being showing up down the road as well.
BMW has already revealed what it plans to show off at the Frankfurt Motor Show (i3, 4 Series Coupe, next-gen X5, refreshed 5 Series, X5 Concept eDrive plug-in hybrid and Concept Active Tourer Outdoor), so barring any surprised we definitely won't be seeing the X4 there. At this point, with as close to production as these images would have us believe, our best guess would be that we'll see the X4's official unveiling happen either at LA or Detroit.