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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.

On Location in Switzerland and France in the 2016 Mercedes GLC

Our first test drive of the 2016 Mercedes-Benz GLC was a flat-out European adventure. We spent two days driving through Switzerland and France, with a brief stop in Germany. The twisty roads took us through vineyards, farmland, and villages that are centuries old. The historic setting stood in contrast with the sleek, contemporary GLC. It's Mercedes' newest small crossover and replaces the GLK in the company's portfolio. While we soaked in the culture, we also got a taste of the GLC's abilities. This is not a simple refresh of the GLK. The GLC has delicate curves, a turbocharged four-cylinder engine, and a new wave of Mercedes technology. The changes are sweeping, and the GLC looks and drives much differently than the edgy, V6-powered GLK. Admittedly, we liked the GLK's rough-hewn feel, though we warmed to the GLC's more subtle charm. This evolution may have occurred as we crossed the Alsatian region of France. Or maybe in Amsterdam, where we contemplated the GLC's merits and our travel plans for getting back across the Atlantic. Regardless, over the course of our trip we reached a conclusion: the GLC is more in-step with what today's consumers want in their crossovers. It took a long drive over some of Europe's oldest roads for us to arrive at Mercedes' new way of thinking. Related Video:

Aston Martin and Mercedes will share F1 safety car duties

LONDON — Aston Martin is set to join Mercedes next season as a provider of Formula One's official safety cars, according to media reports on Tuesday. Racefans.net reported that Aston Martin would supply safety and medical cars at 12 of the 23 scheduled races in key markets, with the existing Mercedes cars used at the rest. It said Aston Martin's new DBX SUV, which uses a Mercedes-AMG V8 engine, would be used as a medical car. There was no official confirmation from Aston Martin or Mercedes. Sources indicated to Reuters that the report was accurate, however. Mercedes has been the official provider of the cars, which are deployed in the event of an incident or bad weather to keep the field lapping safely, since 1996 but that deal runs out at the end of this year. A shared supply would make sense for both carmakers, who already have close ties. Aston Martin's executive chairman Lawrence Stroll also owns the Racing Point team, who will race as Aston Martin from next season with four times world champion Sebastian Vettel arriving from Ferrari. Mercedes, a part of Daimler, is set to raise its stake in Aston Martin to up to 20% by 2023. Toto Wolff, principal of the Mercedes factory team, also has a private stake in Aston Martin. Related Video: Motorsports Aston Martin Mercedes-Benz F1