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Watch VW Group Night kick off the Frankfurt festivities

The Frankfurt Motor Show is Volkswagen's home affair. As a result, the whole of the automaker group makes a big splash, even before the show doors open. We'll be live from the Frankfurt floor starting early tomorrow morning, but tonight we're posted up in the stands at the always-entertaining Volkswagen Group Night. To give you a taste of what it's like to be there, we're going to be shooting some man-on-the-scenes video as the night progresses. Below you'll find videos of all the best that VW Group brands – Audi, Lamborghini, VW, the lot – have to offer, as quick as we can upload them. So, enjoy the Short Cut Videos you see here. And stay tuned as we add more to the tally, below. And, of course, be sure to check in on Autoblog early and often tomorrow, when we bring you official debuts of new production vehicles and concept cars, a ton of new video content, live image galleries, and lots more.Seat Leon Cross Sport Bentley Bentayga Lamborghini Huracan LP 610-4 Spyder Volkswagen Multivan PanAmerican Edition Bugatti Vision Gran Turismo Concept Audi E-Tron Quattro Concept Audi A4 Ducati Monster 1200 R Volkswagen Tiguan Skoda Superb Combi Porsche 911 Carrera S Coupe and Cabrio Volkswagen Tiguan GTE Porsche Mission E Concept Volkswagen Group Night Finale Green Frankfurt Motor Show Audi Bentley Bugatti Lamborghini Volkswagen SEAT Skoda Videos Original Video Frankfurt 2015

Audi A7 Sportback H-Tron Quattro packs plug-in hydrogen powertrain

If you think a plug-in diesel hybrid is an expensive proposition, just wait until you hear details about the just-revealed Audi A7 Sportback H-Tron Quattro. The "H" in H-Tron, as you might guess, stands for hydrogen, so say hello to a new concept that combines a plug-in battery system with a hydrogen fuel cell. Yeah, exactly. Let's start with the numbers. On the plug-in side, the new H-Tron has an 8.8-kWh lithium-ion battery that can power the car for up to 31 miles on battery power. With electric motors on both axles – it's a Quattro, after all, but a through-the-road hybrid with electronic torque distribution management – the A7 H-Tron uses a hydrogen fuel cell and four (!) H2 tanks to offer about 62 miles per gallon equivalent. Audi says the overall fuel cell stack efficiency is "as high as 60 percent" while the electric motors operate at 95 percent efficiency. Efficiently turning all of that electricity into movement means the A7 Sportback H-Tron Quattro has a total power output of 398.3 pound-feet of torque. The 4,299-pound concept can allegedly go from 0-62 miles per hour in 7.9 seconds and has a top speed of 112 mph. The car's total range is 311 miles. The A7 H-Tron is not the first plug-in hydrogen vehicle concept. That title goes to the Ford HySeries Edge. Mazda also considered putting a hydrogen range extender in the Mazda5 plug-in van. The Audi A7 Sportback h-tron quattro It sprints from 0 to 100 km/h (62.1 mi) in 7.9 seconds and on to a top speed of 180 km/h (111.8 mph). It covers over 500 kilometers (310.7 mi) on one tank of fuel – and its exhaust emits nothing more than a few drops of water: The A7 Sportback h-tron quattro, which Audi is unveiling at the Los Angeles Auto Show 2014, uses a powerful, sporty electric drive with a fuel cell as its energy source that operates in combination with a hybrid battery and an additional electric motor in the rear. The overall electrical system power of 170 kW is transferred to both the front and the rear wheels. This drive configuration makes the emission-free Audi A7 Sportback* a quattro through and through – a new departure in fuel cell cars. "The A7 Sportback h-tron quattro is a genuine Audi – at once sporty and efficient. Conceived as an e-quattro, its two electric motors drive all four wheels," explained Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development at Audi. "The h-tron concept car shows that we have mastered fuel cell technology.

Audi boss can't say no to F1 program

Audi has been a dominant force at the top rung of endurance racing for over a decade. Still, rumors have fired up again about the possibility of the company making a big switch to Formula 1. The Four Rings' boss Rupert Stadler isn't ready to make that decision yet, but he's not ruling it out. When asked by Auto Express about the potential of Audi entering F1 in the next five years, Stadler gave an intriguing answer. "It's something we're looking at, but then we're always looking at it and many other things. But I can't say yes or no," he said. While not at all a confirmation, that's hardly an outright denial, either. According to unnamed insiders speaking to Auto Express, Audi is under pressure from Volkswagen Group to leave the FIA World Endurance Championship. Right now, the Four Rings is competing directly against its corporate sibling Porsche. While that might make for a good rivalry on the track, it doesn't necessarily make sense financially. Rumors last year suggested that Audi might leave the WEC and DTM to finance the F1 project. Two possibilities were proposed at the time: act as engine supplier to Red Bull or buy Toro Rosso to run a whole new team. Stadler's non-denial might also indicate that Audi's view on F1 is shifting. In the past, the company's opinion has been much more obvious. Last year, Audi Sport tweeted that the rumormongering was "pure speculation." As far back as 2011, the brand's motorsport boss said grand prix racing had "no relevance to the road." Related Video: