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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.

Volvo, Kia and BYD duke it out in the finals for World Car of 2024

Three electric vehicles — none produced by an American manufacturer — will compete next month for the title of 2024 World Car of the Year, it was announced Monday. The finalists are the Kia EV9, the Volvo EX30 and the BYD Seal (shown above). The latter two are built in China. The three top finalists in five other categories were also named at the Geneva Motor Show in Switzerland. The winners in all six categories will be revealed live during an awards ceremony at the New York International Auto Show on March 27. This year marks the 20th year of the World Car Awards and the partnership with the New York show. Besides car of the year, the other finalists are: Electric vehicle: BMW i5, Kia EV9, Volvo EX30; Luxury car: BMW 5 Series/i5, Mercedes Benz E-Class, Mercedes Benz EQE SUV; Performance car: BMW M2, BMW XM, Hyundai Ionia 5 N; Urban car: BYD Dolphin, Lexus LBX, Volvo EX30; World Car Design: Ford Bronco, Ferrari Purosangue, Toyota Prius. Only Ford among U.S. companies has an entry in the final selections, and only in one category, design, for the Bronco. BMW has four vehicles in the finals, Volvo has three, Kia and Mercedes have two each. BYD from China has two entries as well. The Seal went on sale in in its home market in 2022 and is now available in most of the rest of the world. The BYD Co. (which stands for Build Your Dreams) has surpassed Tesla to become the worldÂ’s biggest maker of electric vehicles, and has its sights set on the U.S. The selection process for World Cars involves 100-plus automotive journalists from 29 countries who vote, as they review and test-drive the eligible vehicles for the 2024 awards. Their journey is captured virtually on World Car TV. Design/Style Geneva Motor Show BMW Ferrari Ford Hyundai Kia Lexus Mercedes-Benz Toyota Volvo Best Cars World Car of the Year

Nissan GT-R, Armada and the new Kia Sorento | Autoblog Podcast #658

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and Road Test Editor Zac Palmer for the final episode of 2020. They've been driving some interesting cars, including the Nissan GT-R, the new Nissan Armada, a Mercedes-Benz GLA and a pair of new-gen Kia Sorentos. They talk a bit about an interesting new EV called the Ace from Alpha Motor Corporation. Finally, the trio takes turns talking about their favorite cars they drove this year. Enjoy, and we'll be back with more episodes in 2021. Autoblog Podcast #658 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown What we're driving:2021 Nissan GT-R 2021 Nissan Armada 2021 Mercedes-Benz GLA 2021 Kia Sorento Alpha Motor Corporation unveils Ace electric coupe Our favorite cars of the year: Zac: Lotus Evora GT John: Polestar 2 Greg: McLaren GT Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: Green Podcasts Kia Lotus McLaren Mercedes-Benz Nissan Coupe Crossover SUV Electric Luxury Performance Sedan Polestar