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Audi Sport Quattro Concept to race into Frankfurt

Audi has pulled the official wraps off its new Sport Quattro Concept, which will be debuted at the 2013 Frankfurt Motor Show. The automaker is understandably keen to draw inspiration from its classic Quattro line of automobiles, specifically the original Ur-Quattro from 1980 and the short-wheelbase Sport Quattro that took part in rally racing and set a record at the Pikes Peak Hill Climb in 1987. A massive dose of modernity comes courtesy of its 700-horsepower plug-in hybrid powertrain.
There is a clear link in the styling of the Sport Quattro Concept to Quattro coupes of the past, from the large flat surfaces that make up its C pillars to the blisters over the fenders and the basic headlamp shape (equipped as they are with Audi's Matrix LED technology). Pay special attention to the car's grille, which introduces a slightly new design language that is expected to be seen in the next generation of Audi's mainstream production models.
The interior of the Sport Quattro Concept is a refreshing departure from Audi's admittedly attractive and useable design, with sharp lines and lots of visible carbon fiber. There are seats for four occupants inside, along with a comparatively generous cargo area measuring 10.59 cubic feet.

Audi R8 Spyder is latest big New York Auto Show debut

The New York Auto Show hasn't been boring. Highlights so far are the kick ass Mazda MX-5 Miata RF and the new Lincoln Navigator Concept. And now, Audi has added a healthy dose of supercar to the mix with the new R8 Spyder. The headlining stats are familiar, seeing as how they're plucked directly from the new R8 hardtop. The only powertrain option is the 5.2-liter V10 and seven-speed S-Tronic dual-clutch transmission. That engine, as in the hardtop, is good for 540 horsepower and will get this droptop German to 62 miles per hour in just 3.6 seconds (only a tenth of a second off the Coupe's time). The convertible R8 will run all the way up to 197 miles per hour. Audi's release makes no mention of a higher-performance V10 Plus model, which is available on the R8 Coupe. That top-end trim bumps output to 610 ponies and cuts three-tenths of a second off the base hardtop's 3.5-second run to 60. The upside, of course, is unlimited headroom. The new fabric roof can be opened or closed at speeds up to 31 miles per hour, and the operating time is 20 seconds in both directions. The R8 Spyder hasn't exactly been a secret. We've spotted it testing as recently as August, and it was included on a leaked product road map last month with a listed March/April debut. Check back later for a full round of live images from the R8's New York debut. Until then, check out our first images of the new R8 Spyder, available up top. Related Video: New Audi R8 Spyder V10: debut at the New York International Auto Show V10 engine developing 397 kW (540 hp), from 0 to 100 km/h (62.1 mph) in 3.6 seconds New: driving dynamics system with performance mode Audi Space Frame with 50 percent improvement in rigidity 397 kW (540 hp), from 0 to 100 km/h (62.1 mph) in 3.6 seconds, top speed 318 km/h (197.6 mph) – the new Audi R8 Spyder* with V10 naturally aspirated engine merges impressive performance with the allure of open-top driving. Its striking design and high-end technologies demonstrate the concentrated expertise of the premium brand. Audi is unveiling its new open high-performance sports car at the New York International Auto Show 2016. "With its spontaneous throttle response, quick revving-up and inimitable sound, the 5.2 FSI naturally aspirated engine in the new Audi R8 Spyder delivers undiluted emotion," remarked Dr.-Ing. Stefan Knirsch, Member of the Board of Management for Technical Development.

Recharge Wrap-up: Ferrock a carbon-negative cement substitute, Audi makes e-diesel

A cement alternative uses recycled materials and traps CO2 rather than producing it. Invented by David Stone at the University of Arizona, Ferrock uses recycled steel dust and glass to produce a substance stronger than conventional concrete. Cement has a high carbon footprint from the high heat needed to process the limestone. Ferrock needs no such heat, and it actually uses CO2 to harden, making it, as Stone calls it, a carbon-negative material. Learn more in the video above, see the transcript at PBS NewsHour and read more at Green Car Reports. Teslarati offers a detailed rundown of Tesla's new Valet Mode feature for the Model S. Part of the Firmware 6.2 update, Valet Mode allows the owner to disable certain performance features and block personal information when letting someone else drive the car. It limits the car's to speed to 70 miles per hour, and caps output at 80 kW. It can also disable mobile app access, Homelink, Bluetooth and wifi and the "Places" function, which stores addresses for you. The folks at Teslarati did find some shortcomings in the new feature, though. Read more at Teslarati. Audi has produced its first batch of e-diesel made from water and CO2. The fuel is made by reacting hydrogen from the water with CO2 to make long-chain hydrocarbon compounds called "blue crude." That can then be refined similarly to crude oil to make e-diesel, which is a fuel free from sulfur and aromatic hydrocarbons. That e-diesel can be used on its own, or mixed with fossil fuel diesel to power a vehicle. "In developing Audi e-diesel we are promoting another fuel based on CO2 that will allow long-distance mobility with virtually no impact on the climate," says Audi Head of Sustainable Product Development Reiner Mangold. Read more in the press release below. Fuel of the future: Research facility in Dresden produces first batch of Audi e-diesel - The verdict: Pilot plant produces high-quality diesel fuel - No need for mineral oil: e-diesel made from water, CO2 and green power - Minister Wanka: "Synthetic diesel using CO2 is a huge success" Audi has taken another big step in the development of new, CO2 neutral fuels: A pilot plant in Dresden has started production of the synthetic fuel Audi e diesel. After a commissioning phase of just four months, the research facility in Dresden started producing its first batches of high-quality diesel fuel a few days ago. To demonstrate its suitability for everyday use, Federal Minister of Education and Research Prof.