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Audi celebrates diesel milestone with triple-charged RS5 TDI concept

Diesels are typically slower than their gasoline counterparts, but leave it to Audi to turn that notion on its head. After dominating Le Mans and the international endurance racing scene under diesel power for the better part of a decade, the German automaker toyed with the idea of an oil-burning R8 for the road and ultimately made its first performance crossover a diesel. It's made the letters TDI a battle cry, and now it's yelling even louder with the RS5 TDI concept.
Set to be unveiled in a couple of days at the Leipzig Auto Show to celebrate 25 years of the TDI engine, the concept ditches the gasoline-burning 4.2-liter V8 in the production RS5 in favor of a 3.0-liter V6 twin-turbo-diesel with an electric supercharger added on to combat turbo lag. Output comes in at 385 horsepower and 553 pound-feet of torque, which means that while it has 65 fewer horses than the gasoline model, it packs a staggering 236 lb-ft more torque.
The result of the triple-charged madness is a 0-62 time around four seconds flat, trumping the 4.6 seconds for the road-going model. Top speed, of course, is electronically limited to 155 miles per hour, which is a bit of a shame because we bet it'd be a kick to pass a Porsche on the Autobahn in a diesel, now wouldn't it?

Daily Driver: 2015 Audi S7

Daily Driver videos are micro-reviews of vehicles in the Autoblog press fleet, featuring impressions from the staffers that drive them every day. Today's Daily Driver features the 2015 Audi S7, reviewed by Seyth Miersma. You can watch the video above or read a transcript below. Watch more Autoblog videos at /videos. VIDEO TRANSCRIPT [00:00:00] Hi, all. This is Seyth with Autoblog. I'm here driving the 2015 Audi S7. I'm caught in a kind of annoying, normal, end-of-the-work-day suburban traffic right now, but even that helps to illustrate the point that I'm trying to make about the S7, is that it really is one of the best all-around grand touring cars that you can buy. A really, really good grand tourer has to do three things. [00:00:30] One, it has to look amazing. It has to feel really special inside and out. The second part is that it's got to be a great long-range cruiser. It needs to be powerful on the highway, be able to be very comfortable and quiet if you're taking it long distances, kind of like your typically Autobahn car. Three, and I think this is really difficult with the second one that I mentioned, I think that grand tourers have to be really great at driving like sports cars. [00:01:00] You're going along and you're touring on the highway and you know that a really great road is coming up. The car should be able to get off on that road and handle like something much lighter and still have that great cruising character. That's one of the reasons why I've always liked the entire Audi A7 line, but especially this S7 because the A7 itself in all of its guises is really a pretty great cruiser and a really practical all-around car with the space in the hatch [00:01:30] and reasonable room in the back seats. The S7 with the turbocharged 4.0-liter V8 making 420 horsepower and 406 pound-feet of torque really amps up the sportiness. Now don't get me wrong, the S7 is far from a sports car. It's not very light. It's got a long wheelbase. It is nimble, especially with Quattro, but it doesn't feel especially nimble. It doesn't want to change directions super quickly. It splits the difference between the two. That being said, [00:02:00] when you get up to some of your favorite roads, it doesn't disappointment you either because of all the power and grip and some pretty decent sporting character available. Of course one thing that you do lack in a big GT like this S7 vs.

Audi starts new e-gas partnership with Global Bioenergies

Audi continues to try to build its green-car cred with one more partnership to produce synthetic fuels made from renewable resources. The German automaker is hooking up with France-based Global Bioenergies to make a synthetic biofuel called e-gasoline. Audi says making this e-gas "does not create competition with food production and farmland," nipping that argument in the bud. Last summer, Audi opened a power-to-gas facility in Werlte, Germany. That factory produces hydrogen and synthetic methane, which are made from renewable energy sources such as water and excess carbon dioxide. The E-gas plant uses electrolysis to split water molecules into oxygen and hydrogen; those elements will later be set aside to power fuel-cell vehicles but in the near term, the plant will make synthetic natural gas. Audi started delivering e-gas in Germany in the fall of 2013 and estimated that it would make enough of the stuff each year to power 1,500 Audi A3 Sportback G-tron vehicles for more than 9,000 miles. Audi also operates a research facility in Hobbs, New Mexico, with renewable fuel company Joule. That plant produces e-ethanol and e-diesel. Check out Audi's press release about its new Global Bioenergies partnership below. Audi launches strategic partnership with Global Bioenergies Premium carmaker and biotechnology company developing the drop-in biofuel Audi e-gasoline Reiner Mangold, Head of Sustainable Product Development: "Another step closer to carbon-neutral mobility with Global Bioenergies" e-gasoline part of the big Audi e-fuels strategy Audi is launching a strategic partnership with Global Bioenergies. The carmaker will work with the French biotechnology company to promote the development of non-fossil fuels. In addition to the Audi e-gas and e-diesel projects, the research into e-gasoline is part of Audi's persistent efforts to find alternative fuels. Reiner Mangold, Head of Sustainable Product Development at AUDI AG: "We're taking another step closer to carbon-neutral mobility with our partners at Global Bioenergies. We are supporting an innovative technology here which can be used to produce renewable fuel. This process does not create competition with food production and farmland." e-gasoline is part of the overall Audi e-fuels strategy. Audi is already operating a research facility for the production of e-ethanol and e-diesel with its partner Joule in Hobbs, New Mexico. The Audi e-gas plant in Werlte began feeding into the grid a few months ago.