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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.

Audi A3 supplies tight, model stealing Honda, Toyota sales

It appears that there was a pent up demand for compact, front-wheel drive German luxury sedans that no one really knew about. Not only has the Mercedes CLA-Class been a success in the US with its Hungarian factory running three shifts to keep up, but the Audi A3 Sedan is doing quite well, too, after just three full months on the market.
Audi of America recently announced that the compact sedan shifted 2,452 vehicles in June and 7,735 units of the A3 since the beginning of the year. Not only are they selling; it's the people buying them that's important. According to Audi USA spokesperson John Schilling speaking to Autoblog, "A little over 25 percent of A3 buyers in April were 30 years or under." That's compared to about 18 percent for the A4, he said. Company executives also recently told Edmunds that many of those new customers are brand conquests turning in Honda or Toyota models. We gently mocked Audi when it held A3 Sedan launch parties aimed at hipsters that served craft beer and played indie music, but the marketing worked, apparently.
That said, if you're in the market for an A3, you might have not be able to get one immediately. According to Edmunds, some customers are on a waiting list for the compact luxury sedan. Although, Schilling said that's because Audi is still stocking dealers. "It's a little leaner than other models, but that's mainly because it's new and still ramping up," he said.

Next-gen Audi A7 design to be 'radical'

The Prologue concept has our attention. In fact, it has everyone's attention. It is the preview for the coming A7, and Autocar summarized Audi design chief Marc Lichte's concerning the new A7 as, "A more radical design is promised for the next-generation." In fact, the next A7 is said to become "the most radical" of three coming designs inspired by the Prologue, the others being the new A6 and A8. Autocar also said Lichte made it clear that there would be "much greater visual differentiation between the trio and other future Audis." Yet, for at least four years Audi has been talking about a design overhaul to fight back charges that its cars look too similar. In 2011 there was a "design initiative" dubbed AQR to make sure that "the design details will be different" between its hatchbacks, Quattro offerings and R Sports cars, and make proportion changes to its sedans. That didn't really move the needle. In 2013, then-design boss Wolfgang Egger hailed the end of "scalable design," a prime culprit for the 'same sausage, different lengths' accusations. We're not sure the needle moved much then, either. And this year came news of a new "Quattro-centric" design language that would stress horizontals, perhaps the new Q7 it's first serious proponent, a crossover that we'll have to see before we can judge. Although we've heard the bells ringing about fresh design at Audi for years, we hope they mean it with products that come after the Prologue; it is a fabulous place to start. Featured Gallery Audi A7 Sportback facelift View 13 Photos News Source: Autocar Design/Style Audi Sedan marc lichte