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Audi says new 48 volt micro-hybrid system improves fuel economy, paves way for electrification

Most cars use a 12-volt system to power their electrical components. But, with more and more electric bits and bobs being added to new vehicles, a dozen volts is looking a bit weak these days. In fact, Audi says that standard 12-volt systems are being stretched "to their very limits." Enter 48 volts. If used in a car that gets 40 mpg, that would translate to around 43.5 mpg. Audi is testing a supplemental 48-volt electric system in two prototype vehicles – modified mild-hybrid versions of the A6 TDI and the RS 5 TDI – in order to add in more electric technology (an electric compressor, for example, to improve acceleration) and "convenience systems for dynamic chassis control." Audi says it has more applications in the pipeline, but the overall gist is that the German automaker sees 48 volts as an "important building block in electrification strategy." As you can see in the picture above (click to enlarge), the RS 5 TDI concept uses a li-ion battery installed in the back of the car and an alternator to provide 48 volts when the engine is off. Audi says that the 48-volt system can save up to 0.4 liters of fuel per 100 kilometers. To put that into US numbers, if used in a car that gets 40 miles per gallon today, that would translate into a bump up to around 43.5 mpg. The Advanced Lead Acid Battery Consortium (ALABC) is also working on a 48-volt system to improve fuel economy and we've got a deep dive of Audi's electric turbocharger here. Even more powerful and efficient – the new 48-volt technology from Audi Important building block in electrification strategy More voltage and more power for new technologies Scalable platform concept suitable for wide-ranging uses Ingolstadt, August 25, 2014 – Audi is to upgrade part of its vehicle electrical system from twelve to 48 volts. The move represents another technical building block for facilitating the integration of new automotive technologies while increasing the power and efficiency of its cars. "We are using the full bandwidth of electrification in our drive principles strategy. Running part of the vehicle electrical system at 48 volts plays a central role in this," commented Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development at Audi. "It enables us to make more energy available.

Shuffle at Lamborghini sends CEO to Quattro GmbH

A management shakeup in Volkswagen Group's high-performance divisions will make Stephan Winkelmann (above) the new chief executive of Audi's Quattro GmbH on March 15. On the same day, former Scuderia Ferrari team principal Stefano Domenicali will replace Winkelmann as Lambo's boss. These changes are necessary because current Quattro chief Heinz Hollerweger is retiring. Rumors of these exact shifts cropped up in Italian media in December. Winkelmann began leading Lamborghini in 2005, and he has been at the helm for massive growth at the company. In 2015, the Italian supercar maker delivered a record 3,245 vehicles, and it had just set its previous best of 2,530 units in 2014. His new role at Quattro GmbH puts Winkelmann in charge of Audi's equivalent to M at BMW or AMG at Mercedes-Benz. The division is responsible for the Four Rings' R and RS production models, the Audi Sport customer racing program, and Audi Exclusive customization service. "In the future, the Audi Sport brand is to be positioned more clearly," the company's announcement said, which hints at one of Winkelmann's duties. Domenicali has been closely associated with Lamborghini rival Ferrari during his career and had years of experience within the automaker's racing team. He started in financing at the Prancing Horse in 1991 and moved to business planning for the Scuderia Ferrari F1 squad in 1993. He held many positions there and eventually ascended to the top as team principal in 2008. Domenicali resigned from leadership in 2014 because of the team's poor performance, but Audi quickly snapped him up as its as Vice President New Business. He now gets the reins of one of Italy's premiere supercar makers. Related Video: Stephan Winkelmann to be new CEO of quattro GmbH As of March 15, 2016, Stephan Winkelmann (51) will be the new CEO of quattro GmbH, a 100 percent subsidiary of AUDI AG, which produces and distributes the high performance R and RS models. Winkelmann was President and CEO of Automobili Lamborghini S.p.A. since January 1, 2005. Heinz Hollerweger (62), the current Head of quattro GmbH, is to retire after almost 40 years of successful work for Audi. "With his experience from more than eleven years in charge of Lamborghini, Stephan Winkelmann will be a key contributor to the further growth of quattro GmbH," says Rupert Stadler, Chairman of the Board of Management of AUDI AG.

2015 Audi RS7 Dynamic Edition strutting to NY

The Audi RS7 is already one of the most stylish sports sedans (hatch, wagon, whatever...) on the road today with flowing roof and hunkered down appearance. Now the German automaker is taking that formula even further with the introduction of the RS7 Dynamic Edition at the 2014 New York Auto Show, and the addition of a long list of unique options.
When it goes on sale early this summer, the Dynamic Edition won't come cheap. Prices start at $146,045, which is $41,145 over a base RS7. The extra money allows opulent additions like Black Valcona honeycomb-stitched leather sport seats, Crimson Red seatbelts and interior stitching, Tornado Red brake calipers with the RS7 logo, Audi's Dynamic Ride Control suspension and a sport exhaust. It rides on 21-inch, five-spoke wheels with Gloss Black accents. Also carbon fiber pieces replace the front splitter, rear diffuser and engine cover.
The DRC suspension is a late addition to the RS7's options list and comes standard on the Dynamic Edition. It uses three-stage adjustable dampers that are cross-linked and integrated into the driving mode selection and rear differential.