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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.

Germany says nein to EU ban on new fossil-fuel cars from 2035

BERLIN (Reuters) - Germany's government will not agree to European Union plans to effectively ban the sale of new cars with combustion engines from 2035, Finance Minister Christian Lindner said on Tuesday. In its bid to cut planet-warming emissions by 55% by 2030 from 1990 levels, the European Commission has proposed a 100% reduction in CO2 emissions from new cars by 2035. That means it would be impossible to sell combustion engine cars from then. European Parliament lawmakers backed the proposals this month, before negotiations with EU countries on the final law take place. Speaking at an event hosted by Germany's BDI industry association, Lindner said there would continue to be niches for combustion engines so a ban was wrong and said the government would not agree to this European legislation. Lindner, a member of the pro-business Free Democrats, which shares power with the Social Democrats and Greens, said Germany would still be a leading market for electric vehicles. (Reporting by Christian Kraemer; Writing by Madeline Chambers; Editing by Miranda Murray and Edmund Blair) Green Government/Legal Green Audi BMW Mercedes-Benz Volkswagen Opel SEAT Skoda

Buick Envista, Mercedes C 43 and GLS, and Goodwood Revival | Autoblog Podcast #801

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor James Riswick. They begin the episode with the cars they've been driving, including the surprisingly compelling 2024 Buick Envista. They also review the 2024 Mercedes-AMG C 43 and Mercedes-Benz GLS 580. James recounts his experience at the 2023 Goodwood Revival, before they discuss the news, including rumored electric successors to the Audi R8 and Alfa Romeo 4C. Finally, they reach into the mailbag for an unexpected outcome to a listener's previous Spend My Money question. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #801 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 Cars we're driving 2024 Buick Envista 2024 Mercedes-AMG C 43 2024 Mercedes-Benz GLS 580 2023 Goodwood Revival 249 reasons you want to go to Goodwood Revival Goodwood Revival Parking Lot Mega Gallery (yes, the parking lot!) Work on an electric Audi R8 successor said to be 'well under way' Alfa's upcoming EV sports car poised as a 4C Spider successor — the 4E? Spend My Money update 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: Green Podcasts Alfa Romeo Audi Buick Mercedes-Benz Convertible Coupe Crossover SUV Economy Cars Electric Luxury Performance Sedan