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Sunday Drive: And now for something completely different

This past week played host to a wide assortment of automotive news, highlighted by our first drive of the 2018 Volvo XC40. The Swedish crossover is targeted at young, successful Millennials, but it offers cool styling, fun dynamics, and all of today's must-have technology, so we think it ought to appeal to a much wider swath of the automotive marketplace. From there we answer the question, "What are hard on the outside and soft on the inside?" as we take a look at the next Mercedes-Benz G-Class SUV. We expect the German automaker's flagship luxury SUV to remain boxy on the outside, but the interior is going to be soft, supple, and luxurious. And then there's the Honda Clarity Plug-in Hybrid, which starts at starts at $34,290 and boasts 212 total system horsepower, 232 pound-feet of torque, 47 miles of electric driving range, and a total range of 340 miles. EPA rates it at 110 MPGe in EV mode, and 44 city/40 highway/42 combined overall. We compare it to other plug-ins like the Chevy Volt and Toyota Prius Prime. And finally we have some more spy photos of the 2019 Ram 1500. It doesn't have a traditional crosshair grille, but it's got plenty of chrome and an attractive upright stance that's sure to tempt future truck buyers looking for some sophistication to go with their work gloves. As always, stay tuned to Autoblog this week to see all the automotive news that's fit to print. 2018 Volvo XC40 First Drive Review | The Masspirational crossover Mercedes-Benz G-Class gets the luxe, high-tech treatment 2018 Honda Clarity Plug-In Hybrid Review | It's what's on the inside that counts 2019 Ram 1500 shows chrome grille and more production parts Green Honda Mercedes-Benz RAM Volvo Technology Truck Crossover SUV Luxury Performance Sedan volvo xc40 sunday drive

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.

The first trailer for Top Gear's 24th season shows a hands-free drag race

In the excitement over Amazon's new motoring show, it's important to remember that there's a certain series from the BBC that's attempting to get its mojo back for a 24th season. Yes, we're talking about Top Gear. Since Chris Evans' departure earlier this year, Top Gear news has been relatively sparse, particularly as The Grand Tour and its hosts Jeremy Clarkson, James May, and Richard Hammond seized headlines. But on Christmas, watchers of the series' YouTube channel caught a glimpse of the first scene from the next season. Featuring hosts Matt LeBlanc, Chris Harris, and Rory Reid in what looks like a trio of old, dilapidated cars. We're thinking TG is running a taxi comparison. There's a London black cab and a Mercedes-Benz W210 – a favorite of European cabbies – but we aren't sure where Harris' boxy wagon fits in. Did the Volvo 850 Estate ever serve as a livery vehicle? But it's the basis for this comparison that's weird, because the hosts appear to be having a no-hands drag race. The cars veer off in different directions, traveling across what looks like a snow-covered dirt lot. We're assuming hilarity ensues. And while we don't quite know what they're hoping to accomplish, we are looking forward to watching it go down. Top Gear's 24th season doesn't have an official air date, and the video ends only with a cryptic "Coming Soon." Expect to hear more in the next few months.