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Volvo S60 Polestar concept plays in the snow with Mercedes C63 AMG

Chris Harris took to a snowy stretch of tarmac to get a fingertips-on-the-wheel feel of the Volvo S60 Polestar concept. Harris says the turbocharged sedan with 508 horsepower and 424 pound-feet of torque - and a manual transmission - is "a study to see if Volvo can get back into the fast-car market." The Polestar S60 concept, one of which was already purchased for $300,000 by a private buyer, is still making the publicity rounds because even Volvo's Chinese owners realize that, as Harris says, "Volvo sold more cars because it made fast cars" like the old 850 T5 Wagon that stormed the British Touring Car Championship in the 1990s.
For reference, Harris compares the blue wonder to the Mercedes-Benz C63 AMG and its 487 hp and 442 lb-ft. The question is, were Volvo to get the price of a production version of the S60 Polestar to climb way down from its 200,000-pound sticker, could it be worthy competition to the established giants?
You can watch Harris divine the answer via a lot of drifting through the snow and a drag race in the video below.

Mercedes-Benz engines with 48-volt systems coming in 2017

As part of a big green push announced yesterday, Mercedes-Benz is jumping into the world of 48-volt power. The company will launch a new family of efficient gasoline engines next year and will begin rolling out 48-volt systems with it, likely in its more expensive cars first. Mercedes will use the 48-volt systems to power mild-hybrid functions like energy recuperation (commonly called brake regeneration), engine stop-start, electric boost, and even moving a car from a stop on electric power alone. These features will be enabled through either an integrated starter-generator (Mercedes abbreviates it ISG) or a belt-driven generator (RSG). (RSG is from the German word for belt-driven generator, Riemenstartergeneratoren. That's your language lesson for the day.) Mercedes didn't offer many other details on the new family of engines. There are 48-volt systems already in production; Audi's three-compressor SQ7 engine uses an electric supercharger run by a 48-volt system, and there's a new SQ5 diesel on the horizon that will use a similar setup with the medium-voltage system. Electric superchargers require a lot of juice, which can be fed by either a supercapacitor or batteries in a 48-volt system. Why 48-volt Matters: Current hybrid and battery-electric vehicles make use of very high voltages in their batteries, motors, and the wiring that connects them, usually around 200 to 600 volts. The high voltage gives them enough power to move a big vehicle, but it also creates safety issues. The way to mitigate those safety issues is with added equipment, and that increases both cost and weight. You can see where this is going. By switching to a 48-volt system, the high-voltage issues go away and the electrical architecture benefits from four times the voltage of a normal vehicle system and uses the same current, providing four times the power. The electrical architecture will cost more than a 12-volt system but less than the complex and more dangerous systems in current electrified vehicles. The added cost makes sense now because automakers are running out of ways to wisely spend money for efficiency gains. Cars can retain a cheaper 12-volt battery for lower-power accessories and run the high-draw systems on the 48-volt circuit. The industry is moving toward 48-volt power, with the SAE working on a standard for the systems and Delphi claiming a 10-percent increase in fuel economy for cars that make the switch.

Mercedes to add 10 new plug-ins by 2017

The range of plug-in hybrid models available from Mercedes-Benz is about to see a massive expansion thanks to the German luxury brand's announcement to add 10 of them in the lineup by 2017. At the same time the company is rebranding its PHEV range to carry the simple letter "e." For example, the C-Class model previously known as the C350 Plug-in Hybrid is now renamed he C350e. Some of the models in Mercedes' PHEV range are already known, like the aforementioned C350e, and the luxury brand is hinting at two more. The GLE is confirmed to be the brand's first plug-in crossover at some point after the non-coupe version debuts. The company also seems to suggest the Concept V-ision E might see production. Shown in Geneva, the van is based on the V-Class, which is related to upcoming Metris in the US. Mercedes' lineup of diesel and gasoline-fueled hybrids has helped the brand reduce its fleet emissions in Europe by over 40 percent in the last two model generations. Not all of these new PHEVs might make it to the US, though. Mercedes spokesperson Michael Minielly tells Autoblog the company's confirmed plug-ins are the 2016 S550e and C350e that launches this fall. "We have no further announcements regarding what else will be coming to the US market at this time," he said. The rest of the electrified lineup here includes the E400 Hybrid, plus the B-Class Electric Drive and Smart Fortwo Electric Drive EVs. Strategic hybrid initiative from Mercedes-Benz: Ten new plug-in hybrids by 2017 Stuttgart/San Francisco. Extra impetus for the Mercedes-Benz strategic hybrid initiative: In the run-up to 2017 the company is bringing out a total of ten plug-in hybrid models, i.e. one new model with high-tech hybrid drive every four months on average. Following the successful launch of the S 500 PLUG-IN HYBRID, this month will see the C 350 e, the second model to feature the progressive drive concept, find its way to dealerships. And what might happen next with the strategic hybrid initiative has just been demonstrated by the Concept V-ision e study at the Geneva Motor Show. Under the new Mercedes-Benz nomenclature, an "e" replaces the words PLUG-IN HYBRID. "Plug-in hybrids are a key technology on the road to the local emission-free future of the automobile," emphasises Prof Dr Thomas Weber, member of the Board of Management of Daimler AG and responsible for Group Research and Mercedes-Benz Cars Development.