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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.

One Lap of America, with three times the madness

Instead of celebrating last weekend face down in a sombrero full of tequila-spiked OJ and a few lime wedges, 71 racing teams with one set of tires each and no support crews began Cinco De Mayo — and this year's 35th running of the One Lap of America — by hitting the wet skid pad at Tire Rack's headquarters in South Bend, Ind. There were Porsches, Vettes, Camaros and BMWs galore. There was a Miata, a vintage NSX, a Honda S2000 and even an old VW Rabbit. There were GTIs, the odd Evo and, oh yeah, six Toyotas, a couple of Vipers and a couple of GTRs. When the skidding stopped, a 2011 BMW 1M emerged triumphant and led the pack out into the heartland, where it will spend 5,000 miles this week hitting road courses, dragstrips and time trials at tracks as far west as Denver, as south as Fort Worth and then New Orleans. From there, it will barrel north through Mississippi, Alabama, Nashville, Kentucky and back home again to Tire Rack in Indiana. Twenty events, eight venues, with a three-hour window for each event. It's a nonstop, no-sleep, one-week road trip comprising 150-ish friends and brothers, partiers and pro racing drivers, spouses and other family-member combo packs. Some will never speak to each other again, some might end up divorced, some might get married. All of them are nuts. I know this because I made three laps. Three laps I will never forget.LAP ONE: 1984 Vehicle: 1984 Dodge Van Team #0: Jean Lindamood (Jennings), Walker Evans, Parnelli Jones I was present for the inaugural 1984 One Lap of America because I worked at Car and Driver back then and so did Brock Yates. He was the guy who came up with the clandestine, illegal, unsanctioned Cannonball Baker Sea-to-Shining-Sea Memorial Trophy Dash from Connecticut to Redondo Beach, Calif. It ran five times in the 1970s, with Yates joining Dan Gurney in a Ferrari Daytona for the second run. They won, Gurney insisting that "at no time did we exceed 175 miles per hour." One Lap was born of Cannonball nostalgia (read: Brock was bored), and I was beyond game for it. After securing a van from Dodge and two giant decals for the van sides, along with $5,000 in sponsorship from local Detroit Stroh's Brewery, I coaxed my friend, nine-time Baja 1000 winner Walker Evans, into running One Lap by suggesting he didn't have a hair on his ass if he refused. Then I suggested that if he didn't get his best friend and longtime road trip buddy, Parnelli Jones, to go with us, I would actually have to drive the van, too.

Next-gen Audi R8 E-Tron could have 280-mile range

Will the next hypermiling contest take place between the latest iteration of the Audi R8 E-Tron and a Tesla Model S. On paper, the single-charge range between the high- and higher-end EVs are nearly identical, so it's possible. But what fun would that be, using light pedal foot and all? Audi has released the latest specs for the R8 E-Tron, and they are just beastly. The EV will deliver 456 horsepower, have 679 pound-feet of torque and will be able to jet from 0 to 60 miles per hour in less than four seconds. More stunningly, the car will have a single-charge range of 280 miles, which is about 15 miles longer than the Model S's range. Audi says the new, long-distance pack is due to " new battery cells," but declined to go into detail. Despite the excellent numbers, not everyone thinks a new R8 E-Tron poses any threat to Tesla. Prices for the "base" version of the R8 with a gas-powered V10 engine start at 165,000 euros ($185,000), and there's no guessing yet what an EV version will cost. Whatever it is, the car's been markedly improved compared to the earlier iterations. We reported on progress of the new R8 E-Tron about a year ago that the single-charge range would climb to about 250 miles, and that the mill would deliver about 376 horsepower. Audi first showed off a concept version of the car at 2009's Frankfurt Auto Show, saying at the time that the model had a single-charge range of about 150 miles. So this is good progress. Check out Audi's rather lengthy press release below. Audi presents the new R8: The sporty spearhead just got even sharper The second generation of the high-performance sports car makes its debut in Geneva 5.2 FSI engine with up to 449 kW (610 hp), 0 to 100 km/h (62.1 mph) in 3.2 seconds New multimaterial Audi Space Frame with high proportions of aluminum and CFRP No model with the four rings is closer to motorsport, none is more striking and more dynamic: at the Geneva Motor Show, Audi is presenting the second generation of its high-performance R8 sports car. The V10 mid-engine and a newly developed quattro drive ensure breathtaking driving performance, especially in the top-of-the-range version with 449 kW (610 hp): achieving 0 to 100 km/h (62.1 mph) in just 3.2 seconds, its top speed is 330 km/h (205.1 mph).