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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.

Volkswagen reportedly considering selling Ducati

After shelving numerous motorsport programs and putting less-successful model variants on the firing line, Volkswagen is reportedly considering selling off Ducati, its motorcycle division. Ducati joined the Volkswagen Group under Audi in 2012, and it could be valued as high as 1.5 billion euros. Five years ago, Audi paid roughly $935 million for the motorcycle brand, sources said to Reuters. In 2016, Ducati's sales were worth 593 million euros, or nearly $644 million. There isn't a concrete buyer yet set for the deal, and neither Volkswagen or Audi chose to comment on the matter. Neither did Evercore, the investment banking advisory firm selected to evaluate Volkswagen's options on Ducati ownership. The logic behind jettisoning Ducati is likely to be the same as canceling Audi's LeMans program and VW's WRC racing efforts: Volkswagen is focusing on an electric mobility future, as the shadow of Dieselgate stretches far into the coming years. As Reuters says, the original 2012 Ducati deal may have been a Ferdinand Piech vanity project: "Analysts questioned Audi's purchase of Ducati when it was announced in April 2012, saying the deal had no economic or industrial logic and just reflected former VW Chairman Ferdinand Piech's passion for the Italian company's expertise on design and light engines." Piech is now, however, out at Volkswagen and is also selling a major part of his Porsche stock, making it easier for Volkswagen to ditch the Italian bike brand. Reuters' sources mentioned interested parties as being Chinese or Indian, or interestingly, the consortium led by Prodrive's David Richards which acquired Aston Martin a decade ago. News Source: ReutersImage Credit: AOL/Drew Phillips Audi Volkswagen Motorcycle Ducati volkswagen group

2016 Audi TT Second Drive [w/video]

The original Audi TT is a modern style icon. But having a one-time design hit isn't a recipe for longevity. In order to succeed, you have to bolster style with substance. Thankfully, that's exactly what Audi did with its third-generation TT. Now more than ever, the TT is a proper sports car, and it debuts with a host of new technology. The car still looks good, but it's no longer a one-off masterpiece. Instead, it takes many of the original TT's elements and incorporates new bits of modern detailing. The shape is all TT – the roofline, the wheel arches – even smaller details like the fuel filler cap and exhaust outlets moved closer to the center of the vehicle pay homage to the original car's design. But the new car's face is more angular, more robotic. Park the new R8 next to this TT and the family resemblance is clear. "It's fair to say that the new car hasn't been comprehensively reconceived; it's been comprehensively re-detailed," says associate editor Jonathon Ramsey, who first drove a Euro-spec TT back in September. It's a good move, a way to "keep the icon alive," according to Audi AG exterior designer Dany Garand. But the better news is that the rest of the car is more than just a comprehensively re-detailed machine. Launch a TT coupe from a stop and you'll hit 60 miles per hour in 5.3 seconds. The TT rides on the same modular MQB architecture as the Volkswagen Golf. The whole package is the same length as before, but the wheelbase is stretched by 1.5 inches. At 3,186 pounds, the TT is only 11 pounds heavier than its predecessor, but thanks to new body components, it's 25-percent stiffer than the second generation. We sampled the base TT on the roads of northwest Oregon – that means there's a 2.0-liter turbocharged inline-four good for 220 horsepower and 258 pound-feet of torque. It's the same output as a GTI with the Performance Package in a two-door coupe that's 155 pounds heavier. But stay with us – the magic of Quattro all-wheel drive seriously comes into play here. Launch a TT coupe from a stop and you'll hit 60 miles per hour in 5.3 seconds. Even the TT Roadster is a firecracker, able to do that same 0-60 run in 5.6 seconds. That 220-hp, front-wheel-drive GTI, by comparison, hits 60 in about six seconds flat. We didn't get to drive the TTS, but based on numbers alone, it ought to be a real honey. The S uses the more powerful version of the 2.0T engine from the Golf R, with 292 hp and 280 lb-ft of torque. Zero-60: 4.6 seconds.