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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.

NACTOY winners, and driving the Genesis GV60, Polestar 2, Mercedes-AMG GLS 63 | Autoblog Podcast #813

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Electric, John Beltz Snyder. This week, we discuss the North American Car, Truck and Utility of the year winners: The Toyota Prius, Kia EV6 and Ford Super Duty (and Greg explains his votes). In other news, we talk about GM offering $7,500 incentives for EVs that lost their tax credits, another possible calendar change for the Detroit Auto Show and Stellantis potentially scaling back its auto show presence. Greg spent his winter break with the Genesis GV60 and Polestar 2, while John has been driving the Toyota Prius Prime and Mercedes-AMG GLS 63. Finally, they take to Reddit for this week's Spend My Money question, and pick a sedan under $6,000. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #813 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Toyota Prius, Ford Super Duty, Kia EV9 are 2024 North American Car, Truck, Utility of the Year winners GM offers $7,500 incentive for EVs losing tax credit Detroit Auto Show going back to January? Stellantis done with auto shows, or is it? Cars We're Driving: 2024 Genesis GV60 Performance AWD 2024 Polestar 2 RWD 2023 Toyota Prius Prime XSE Premium 2024 Mercedes-AMG GLS 63 Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Green Podcasts Ford Genesis GM Kia Mercedes-Benz Toyota Truck Crossover SUV Electric Hybrid Luxury Performance Sedan Polestar

F1's Sebastian Vettel, Lewis Hamilton face off again in Austria

SPIELBERG, Austria - Sebastian Vettel celebrated his 30th birthday on Monday, but it can be safely assumed that Lewis Hamilton will not be bringing any gifts to Austria this weekend. After the "road rage" of Azerbaijan two weeks ago, the Formula One title rivals head to the bucolic surroundings of the scenic Red Bull Ring and its backdrop of hills and forests, with controversy still simmering. Vettel, Ferrari's championship leader, had risked a heavy penalty for his moment of madness in driving into Hamilton's Mercedes behind the safety car in Baku but instead the German arrives in Austria with no further sanction and the matter officially closed. Vettel has had to accept full responsibility, and apologize to Hamilton, and will have to stay on best behavior with a race ban looming if he collects any more penalty points on his license this weekend. The FIA said Monday's meeting was attended by top officials including race director Charlie Whiting and safety director Laurent Mekies. "Following detailed discussion and further examination of video and data evidence related to the incident, Sebastian Vettel admitted full responsibility," the FIA said. "In the heat of the action I then overreacted, and therefore I want to apologize to Lewis directly, as well as to all the people who were watching the race. I realize that I was not setting a good example." A formal apology was published on Vettel's personal website. "During the re-start lap, I got surprised by Lewis and ran into the back of his car. With hindsight, I don't believe he had any bad intentions," he said. "In the heat of the action I then overreacted, and therefore I want to apologize to Lewis directly, as well as to all the people who were watching the race. I realize that I was not setting a good example. "I love this sport and I am determined to represent it in a way that can be an example for future generations." But the incident, the sport's major talking point post-Baku, is unlikely to die down immediately even if Mercedes say they have moved on. Hamilton, for one, has said nothing. But he has kept social media buzzing with news he had "liked" a fan's supportive post on Instagram that said the Paris decision had sent the message that "you can do whatever you want on track, smash into each other but if you suck up and just apologize and you get away with it." Hamilton is now 14 points behind Vettel after eight of 20 races, with a loose headrest costing the Briton victory in Azerbaijan.