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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.

Weekly Recap: Automakers rethink the definition of luxury

Variety is the spice of life, but it's becoming a prerequisite for luxury carmakers in the ultra-competitive US market. The Detroit Auto Show was strong evidence of this reality. It's not enough to offer attractive and well-appointed cars and SUVs anymore. Luxury brands that want to be competitive need to invest in everything from high-powered supercars to clever hybrids. To be relevant, you need to be green and mean – and everything in between. As General Motors product chief Mark Reuss said after the reveal of the 640-horsepower Cadillac CTS-V: "We are not leaving anything on the table." He was speaking for Cadillac, but he might as well have been speaking for the luxury car market. The CTS-V debuted in Detroit about an hour after Lexus surprised showgoers with the reveal of the RC F GT3 race car and then announced ambitious plans to return to competitive racing. That almost overshadowed the fact Lexus had just revealed another potent addition to its growing F line, the 467-hp GS F. View 20 Photos But for luxury brands, it's not just about maximum horsepower for well-heeled enthusiasts or decadent amenities for the Grey Poupon set. Strong competition from all corners has forced automakers to refine and expand their lineups in ways unforeseen even a few years ago. Case in point: Mercedes-Benz finally has an answer to the BMW X6, rolling out the GLE coupe in Detroit. The X6, which blends coupe-like styling cues with some of the functionality of an SUV, debuted in 2008. Back then it was a punchline, but seven years and more than 260,000 sales later, the X6's success has compelled Benz to respond. Mercedes – one of the strongest proponents of diesel technology – also debuted the C350 plug-in hybrid sedan, which promises a range of 20 miles on electricity, though fuel economy figures were not announced. The car pairs Mercedes' well-received 208-hp turbocharged four-cylinder with an electric motor for total output of 275 hp and 443 pound-feet of torque. Meanwhile, Infiniti will add the Q30 hatchback to its lineup by the end of the year, new president Roland Kruger reiterated in Detroit. It's expected to be joined by a crossover variant, and the additions will help strengthen Infiniti in the United States and abroad. "While we're expanding our product line, we're also expanding our market reach," he said. That's something echoed by Jaguar executives, who are preparing to launch the brand's first crossover, the F-Pace, in 2016.

Lewis Hamilton blasts to pole position for British Grand Prix

SILVERSTONE, England - Lewis Hamilton took pole position for his home British Grand Prix for the third year in a row on Saturday with a sensational lap that left him one step away from Michael Schumacher's Formula One record. Hamilton's championship-leading Ferrari rival Sebastian Vettel, who has a 20-point advantage after nine of 20 races, qualified third. The Mercedes driver was half a second quicker than Ferrari's second placed Kimi Raikkonen and his time of one minute 26.600 seconds was so outrageously quick there were gasps before the crowd erupted. "I always try to leave the best to last," the Briton told retired champion Jenson Button in post-qualifying interviews on the grid. "I had to make sure I got that lap in. I couldn't do it last weekend (in Austria) so I made sure I could here." Hamilton still faced a nervous wait after race stewards announced they were investigating an incident involving French driver Romain Grosjean, who complained he had been blocked earlier in the session. They swiftly decided to take no further action. The Briton's mastery of a damp but drying track lit up an overcast afternoon and the pole was the 67th of his career, sixth of the season, and gave him every chance of equalling Schumacher's record 68 before the August break. The triple world champion has won the last three British Grands Prix and can equal the late Jim Clark's feat of four home wins in a row, and five in total, on Sunday. Saturday ensured he has already matched Clark's 50-year-old record of five British Grand Prix pole positions. "I feel amazing in front of a great crowd like this. I hope you liked the lap," Hamilton told the grandstands full of cheering fans. "I generally like it to be dry, but I like it when the conditions are tricky." Hamilton's Finnish team mate Valtteri Bottas, winner in Austria, was fourth fastest but has a five-place penalty following a gearbox change. That promoted Red Bull's Dutch teenager Max Verstappen, who has suffered five retirements in the last seven races, to the second row. Renault's Nico Hulkenberg and his former Force India team mate Sergio Perez filled the third row. There was good news for beleaguered McLaren, who raised a cheer when Fernando Alonso made the most of improving conditions to set the fastest time in the first phase of qualifying, with Belgian Stoffel Vandoorne qualifying ninth.