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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.

Refreshed Audi A6 gets ready for Paris debut

The Audi A6 remains a solidly luxurious choice in the deeply competitive executive sedan segment, duking it out with the Mercedes-Benz E-Class, BMW 5 Series and Lexus GS, among others. Having been on sale since 2011, though, it's starting to become just a tiny bit stale. Cue the refresh.
Expected to make its debut in October at the 2014 Paris Motor Show, the long-roof Avant/Allroad variant shown here gives us our first glimpse at some of the tweaks Audi has in store for its A6 range as a whole.
In general, this is pretty standard refresh stuff - new headlights that retain the same general shape as the current car but add a new DRL pattern, while there are also some subtle tweaks to the front fascia. The rear taillights have also been freshened (although as only the A6 sedan is sold in the US, it's likely the taillights we see will be different), and some minor changes have been made to the rear bumper. According to our spies, the cabin and MMI infotainment system could see some tweaks, while the oily bits under the hood could be in for for some minor changes as well.

IIHS gives 90 models its Top Safety Pick award in one fell swoop

Although the Audi A7 and the Toyota Sienna are positioned on completely different ends of the automotive spectrum, they overlap in one important area: both earned a Top Safety Pick+ award from the Insurance Institute for Highway Safety (IIHS). They're among the 49 cars that received the distinction for 2021, while 41 additional models scored a Top Safety Pick (without the plus) award from the institute, bringing the number of winners to 90. Earning a coveted Top Safety Pick award from the IIHS is easier said than done. Recipients need to score a good rating in the institute's six crash tests, be available with a front crash prevention system that scores a superior or advanced rating in vehicle-to-vehicle and vehicle-to-pedestrian evaluations, and be offered with (but, crucially, not necessarily fitted standard with) headlights that are either good or acceptable. Vehicles that have good or acceptable headlights across the full range, regardless of trim level, are eligible for the Top Safety Pick+ award. The Hyundai Group (which includes Hyundai, Kia, and Genesis) earned more awards than any other carmaker, with 12 standard Top Safety Pick distinctions and five earning a Pick+. Volvo led the Pick+ chart with its entire lineup of nine vehicles. At the other end of the spectrum, Mitsubishi still hasn't earned a single award, and General Motors only nabbed one of each. Safety is spreading across market segments, according to the IIHS. It pointed out that, in 2020, there were no minivans or pickup trucks on the list of Top Safety Pick recipients. Fast forward to 2021, and the list includes the Honda Odyssey, the Toyota Sienna, and the Ram 1500 crew cab; the first two earned a Pick+. The full list of 2021 award winners is on the IIHS website. Note that, for some models, only units built after a certain date earned an award. This distinction reflects a change (usually in headlights) during the production run. Cars sold in the United States are safer than ever, but automakers still sell vehicles with a zero-star crash test rating in many global markets. Suzuki's 2020 S-Presso flunked a reasonably basic round of tests in 2020. Featured Gallery 2021 Hyundai Palisade View 12 Photos Audi Hyundai Volvo