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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.

Volkswagen finds CO2 'irregularities' for 800k vehicles

The latest issue for Volkswagen affects another 800,000 vehicles, and this time its for irregularities in CO2 emissions certifications. VW estimates this issue could cost the company $2.2 billion to fix. The company officially makes no specific mention of which engines are covered, the models they are in, or even where they are located. VW discovered the situation during its ongoing internal investigation, and, according to the automaker, "it was established that the CO2 levels and thus the fuel consumption figures for some models were set too low during the CO2 certification process." Most of the affected vehicles are diesels, and the company is now reaching out to "the responsible type approval agencies" to figure out the next step. While VW isn't officially confirming which models and engines are involved, Automotive News reports that it affects some 2012 and later VW, Audi, Seat, and Skoda models with the company's 1.4-, 1.6-, and 2.0-liter diesel engines, as well as the 1.4-liter ACT gasoline engine. The issue mainly affects vehicles sold in Europe. "The Board of Management of Volkswagen AG deeply regrets this situation and wishes to underscore its determination to systematically continue along the present path of clarification and transparency," CEO Matthias Muller said in the announcement. Volkswagen Group of America spokesperson Jeannine Ginivan was able to provide some further clarification to Autoblog. "This is not related to US-certified vehicles," she said. Clarification moving forward: internal investigations at Volkswagen identify irregularities in CO2 levels Matthias Muller: "Relentless and comprehensive clarification is our only alternative." Around 800,000 Group vehicles could be affected Initial estimate puts economic risks at approximately 2 billion euros The Volkswagen Group is moving forward with the clarification of the diesel issue: during the course of internal investigations irregularities were found when determining type approval CO2 levels. Based on present knowledge around 800,000 vehicles from the Volkswagen Group could be affected. An initial estimate puts the economic risks at approximately two billion euros. The Board of Management of Volkswagen AG will immediately start a dialog with the responsible type approval agencies regarding the consequences of these findings. This should lead to a reliable assessment of the legal, and the subsequent economic consequences of this not yet fully explained issue.

Trump reportedly says he wants to wipe German cars off the U.S. map

BERLIN/FRANKFURT — A report that U.S. President Donald Trump has threatened to pursue German carmakers until there are no Mercedes-Benz rolling down New York's Fifth Avenue dented shares in the luxury car manufacturers on Thursday. An excerpt from German magazine Wirtschaftswoche's article, which cited several unnamed European and U.S. diplomats but did not include any direct quotes, could not be independently verified, while a U.S. Embassy spokesman in Berlin referred questions to Washington. The news and current affairs magazine said Trump had told French President Emmanuel Macron in April that he aimed to push German carmakers out of the United States altogether. Macron's administration in Paris declined to comment on the report. The Trump administration last week opened a so-called Section 232 trade investigation into vehicle imports, which could result in a 25 percent tariff on cars on the same "national security" grounds Washington used to impose metals duties in March. This could destroy exports by German carmakers, which control 90 percent of the U.S. premium market and are the biggest European Union exporters of cars to the United States. BMW owns Rolls-Royce, while Daimler has Mercedes-Benz, and Volkswagen controls Bentley, Bugatti, Porsche and Audi. Daimler, BMW and Audi declined comment. Porsche was not immediately available for comment. BMW shares were trading 0.5 percent lower at 0939 GMT, while Daimler and VW's shares were down 1 percent and 1.6 percent respectively, underperforming Germany's blue-chip DAX. Trump has railed against German carmakers before. And in early 2017, in an interview with German newspaper Bild, he said he would impose 35 percent tariffs on imported cars. At the time, the president called Germany a great car producer but said that the business relationship with the United States was an unfair one-way street. Germany's auto industry association VDA says its members exported 657,000 vehicles to North America last year, with total exports of vehicle components, cars, engines, as well as second-hand vehicles totaling 31.2 billion euros in 2016. Imports from the United States to Germany amounted to 7.4 billion euros, meaning a trade deficit of 23.8 billion euros the VDA's latest available figures show. However, German brands also have huge factories in the United States, where they built 804,000 cars last year, VDA said, providing jobs for U.S. workers. Berlin has reacted angrily to the U.S.