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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.

Audi confirms S8 Plus for US to debut in LA

Audi has confirmed that the new S8 Plus will indeed be coming to North America. The more potent version of the German automaker's flagship sedan was first revealed in August, and Audi will bring it to the upcoming Los Angeles auto show. The Plus model packs the same 4.0-liter twin-turbo V8 as the existing S8 (and the Bentley Continental for that matter), but increases output from 520 horsepower to 605 hp and torque from 481 pound-feet to 516 lb-ft (or 553 on overboost). The result is a 0-62 time quoted at 3.8 seconds to give the likes of the Mercedes-AMG S63, Jaguar XJR, and Maserati Quattroporte a run for their money. Audi of America has not announced US pricing for the S8 Plus or final specifications for the American market. Look for an MSRP in the neighborhood of $140k. The Audi S8 Plus will debut in LA alongside the new RS7 Performance and the second-generation R8, which will be making its US auto show debut at the SoCal expo. TRIO OF AUDI SPORT® AND PERFORMANCE MODELS TO MAKE US DEBUT AT LA AUTO SHOW – AUDI R8, RS 7 PERFORMANCE AND S8 PLUS - The second generation of the R8 high-performance halo car makes its U.S. auto show debut - Auto show debut of new RS 7 performance enhances brand's dynamic profile - S8 plus strengthens Audi's position in premium sedan segment November 10, 2015 | HERNDON, Virginia -- Reinforcing the brand's success from road to track, Audi will showcase a trio of new performance vehicles – including the all-new R8, RS 7 performance and S8 plus – at the Los Angeles Auto Show. "The Audi Sport® and performance models have always been an essential part of our brand's character," said Filip Brabec, Director of Product Management for Audi of America. "The Audi R8, RS 7 performance and S8 plus represent the maximum of Audi performance, premium design and technology for our customers." 2017 Audi R8 The fastest and most powerful Audi of all time, the 2017 R8 represents the pinnacle of performance for any model with the four rings. Thanks to the close cooperation between Audi Sport® engineers, race drivers and developers, the Audi R8 and R8 LMS racecar were co-developed and share approximately 50 percent of the same parts, including the V10 engine. The R8 launches with two powertrain variants: the 5.2L V10 with 540 hp, an increase of 15 hp from the previous R8 model or the R8 V10 Plus, boasting a powerful 610 hp, an increase of 60 hp, making it faster, more powerful and more dynamic than its predecessor.

Audi traffic light recognition could save 240 million gallons of fuel [UPDATE]

Any hypermiler will tell you that the way you drive your car has a huge impact on how much energy it uses. But these greenfoot drivers haven't had a car that's smart enough to tell them about the inner lives of traffic lights. That's what a prototype system in an Audi A6 Saloon that the German automaker recently tested in Las Vegas can do. Since the car can communicate with local traffic signals and is able to predict when lights will change, the car can help reduce CO2 emissions by up to 15 percent. Further, Audi says that the system could save some 238 million gallons of fuel (900 million liters), if deployed across Germany. We can only imagine what hypermilers could do with this. We got to drive the Audi Online traffic light information system prototype in January, but we focused more on how the system worked rather than the green aspect. Now that Audi has had a bit more time to crunch the numbers, it has released fuel economy information for the connected car. The key points for the eco-side of things are that the driver is told in the dashboard how fast/slow to go to hit the next green light. This can help prevent unnecessary speeding and or encourage drivers to go a bit faster in order to hit the green, thus preventing idling and wasted time. The system is too smart to let you idle for long. Except that Audi Online is too smart to let you idle for long. The Audi connect system can calculate how much longer the light will be red and can access the car's start-stop capabilities and will fire up the engine "five seconds before the green phase." That seems like an awful long time in a world where competitors have figured out ways to restart an engine in 0.35 seconds. We've asked Audi for an explanation on why this buffer is so lengthy, and will let you know what the reasoning is when we hear back. Despite the trials in the A6, Audi says the Audi Online traffic system could be integrated into any Audi model, "subject to the necessary government legislation." Aside from the Sin City tests, Audi is running trials of the connected car in Verona, Italy and Berlin, Germany. If you'd like to test it out yourself some day, take heart from this line in the press release, available below: "A market launch is currently the subject of intense analysis in the United States." *UPDATE: Audi's Mark Dahncke told AutoblogGreen that the five second window is meant, "To alert the driver that the light is about to turn green.