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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 says 13% of A3 sales are E-Tron plug-in hybrids

Audi's most recent metric for plug-in sales of its A3 Sportback line brings up the classic "glass half full" or "glass half empty" conundrum. The German automaker says that almost 13 percent of its A3 sales during the past year have been of the E-Tron plug-in hybrid variety. That's a decent rate, and a notable one because Audi said late last year that it was hoping that as much as a quarter of its global sales will be plug-in vehicles by 2025. The 2017 model-year Audi A3 Sportback E-Tron has the same specs as the 2016 version, featuring a 1.4-liter engine paired with an electric motor that together deliver 204 horsepower and 258 lb-ft of torque. The 2016 version was rated by the Environmental Protection Agency (EPA) as having an 86 miles per gallon-equivalent rating, and was estimated to be able to go as far as 16 miles on electricity alone. Audi notes that the EPA hasn't yet rated the 2017 version, but we expect it to be the same. The plug-in hybrid can zip from 0 to 60 miles per hour in 7.6 seconds. As for that 13-percent figure, Audi didn't specify if that meant US or global sales. The company moved 19,622 A3s in the US through July. At 13 percent, Audi would've sold about 2,500 A3 plug-in hybrids. To put that in perspective, the Ford Fusion and C-Max Energi PHEVs have moved 8,576 and 8,155 units this year, respectively. Audi of America president Scott Keogh said on the eve of last year's Los Angeles Auto Show in November that he wanted 25 percent of Audi sales to be plug-ins by 2025. The following month, Audi said it was hitting that 25-percent threshold in Norway and the Netherlands, where citizens tend to be a bit more plug-in-centric than Americans. But it's a good start. Check out our First Drive impressions of the 2016 A3 E-Tron here. Related Video: Featured Gallery 2017 Audi A3 Sportback e-tron News Source: Audi Green Audi Hybrid PHEV e-tron audi e-tron sportback a3

Audi spotted testing new TT RS Roadster at the Nurburgring

Spied testing on the Nordschleife in Roadster form is the forthcoming Audi TT RS. It's based, of course, on the new TT that we've already seen in S spec, but this one will be even faster. To that end, powering the new convertible (and its fixed-roof coupe counterpart) is expected to be Audi's signature turbocharged inline-five driving a good 400 horsepower or so to all four wheels through either a six-speed manual or Audi's S-tronic transmission. That output ought to put it in prime position to outgun the likes of the Porsche 718 Boxster S with its 350 hp and the new Mercedes-AMG SLC43 that's good for 362 hp. The BMW Z4 sDrive35is isn't far behind with its 335 hp, though a new Z4 M would be a welcome addition to the party. We're expecting the brand of the Four Rings to reveal the TT RS coupe before long, and the roadster should follow six months or so afterwards. Then Audi's RS line will be replete with performance models including the RS7 we get here, the RS3, RS6, and RS Q3 they sell overseas, and this pair of TT RS two-doors. Related Video: