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Audi teases Frankfurt reveal... is it the A8?

Audi has already rumored to have plans to reveal a 650-horsepower Sport Quattro Concept at the 2013 Frankfurt Motor Show in September, but it also seems that we'll be getting our first look at the 2015 Audi A8 as well. Based on a panned-out shot of a teaser video, we can clearly see that this is a new sedan model, so it makes sense that is the updated A8 since we've already seen recent spy shots of that car that seemed to be almost complete.
In the short video, all that we can definitely see is the Audi logo in the grille, a five-spoke wheel with cross-drilled, ceramic disc brakes and a small portion of the front fender that has an almost mirror-like shine. We'll find out for sure in September, but until then, check out the teaser video posted below.

New Audi Quattro concept coming to Frankfurt?

We first saw the Audi Quattro Concept at the 2010 Paris Motor Show, and since then we've been tugged this way and that by a series of rumors as to whether the car will be built or not, and whether such a car will live at the accessible or the exalted end of the cost spectrum. A report in Germany's Auto Zeitung from June restarted the fires of gossip with a report that a production version of the concept will appear at the Frankfurt Motor Show, and put it firmly in the exalted sphere.
Now, just a month from the show, Auto Bild has a similar report, sketching out an upmarket car but on a different platform. Back when we drove it, the Quattro concept was built on a spaceframe based on the RS5 platform and got its go from a 2.5-liter five-cylinder engine with 380 horsepower and 354 pound-feet of torque (the show car got 408 hp from a turbocharged five-cylinder). The June report from Auto Zeitung said this new reveal would be powered by a modified version of the twin-turbo 4.0-liter V8 from the RS7 that would put out something like 650 hp. Auto Bild, on the other hand, reports that the engine will be tuned to something like 600 hp and the new concept will ride on an "enhanced" version of the A6 platform.
Both reports agree that the car we'll see will preview Audi's new design language with "tauter, more angular lines." Lightweight and exotic materials will be used in efforts to reach a supposed target weight of 1,200 kilograms (2,640 pounds), down from a target of 2,900 pounds in earlier report. Auto Bild says that Audi still hasn't decided whether to make a production version, but if they are correct about the direction of the concept, any retail offering based on it isn't going to be cheap.

Audi and Hyundai team up to boost hydrogen fuel cell cars

Hyundai agreed a deal with Audi on Wednesday to collaborate on hydrogen car technology, hoping to boost an energy segment that has lagged behind battery electric vehicles. The South Korean firm wants to increase the sales and acceptance of hydrogen cars, which are propelled by electricity generated by fuel cells but have been held back by a lack of infrastructure and the push for battery electric vehicles by the likes of Tesla. The pair will be able to access each other's intellectual property and share components, including any new parts developed by Audi, which is responsible for hydrogen fuel cell technology in the Volkswagen Group, the world's biggest car seller. Hyundai hopes that the move will create greater demand for vehicles such as its ix35 model and bring down costs to make the technology profitable. "We want to provide to our component suppliers more chance and we want to have competition between component suppliers," Sae Hoon Kim, the head of Hyundai's R&D fuel cell group, told Reuters in an interview in London. "We also want to make them to have competition with other suppliers, and that competition will bring down the cost." Carmakers such as Toyota have touted the benefits of hydrogen vehicles, which take less time to refuel than the recharge times of battery electric cars, but are expensive and suffer from a lack of refuelling stations. Many carmakers are focusing on battery electric vehicles, which can take between half an hour and half a day to recharge, but are increasingly able to use a growing network of charging points. Auto firms are teaming up to share the cost of developing greener technologies to replace combustion engines as regulators around the world crack down on emissions. GM and Honda have a partnership to jointly develop electric vehicles with hydrogen fuel cells that are expected to go on sale in 2020, while BMW is working with Toyota. Kim said that a toughening of European Union carbon emission limits in 2025 would create a need for more hydrogen cars. Hyundai sold 200 such models last year and expects to sell thousands this year, but Kim said profitability was still far off. "100,000 or 300,000 vehicles per year per company, when that comes, I think we can make money," he said. Reporting by Costas PitasRelated Video: Image Credit: Getty Auto News Green Plants/Manufacturing Audi Hyundai Alternative Fuels Future Vehicles Hydrogen Cars