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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 pits Star Trek's new Spock versus the original

The only thing that makes a sci-fi geek happier than William Shatner and Patrick Stewart in the same room is when two Spocks collide. Audi has somehow managed to do just that ahead of the release of the second film in this historic franchise's new go-round called Star Trek Into Darkness, which opens in theaters nationwide on May 17th.
We won't spoil the fun (you can, and should, watch it yourself below), suffice it say that the original Spock, Leonard Nimoy, steals the show from the franchise's new Spock, Zachary Quinto. The short video has the two Vulcans battling wits in a series of challenges that quickly comes to involve cars, but Audi manages to outwit them both in the final scene by leaving these logical beings with an emotion that resembles amazement.
This is the second summer blockbuster that Audi has tied its four rings to, the other being Iron Man 3. Whereas Tony Stark's garage and the Marvel universe have more Audis per square mile than people, we aren't expecting to see an Audi logo on the warp drive of the USS Enterprise in this latest Trek tale.

Audi RS3 Sedan coming to America with over 400 hp?

The Mercedes-Benz CLA45 AMG is a fast, competent car. It's significantly sharper than the Audi S3, and it should be, since its starting price is around $7,000 more. Still, getting walloped by the higher-performing CLA45 AMG must irk some people at Audi, we'd think, which might explain why there are rumors that the S3's big brother is coming to town. Yes, reports are popping up from an Audi of America employee that the Audi RS3 would transition from its Euro-market Sportback body style to a more conventional four-door, and that its styling would be updated in the process. Oh, and it'll have a 400-plus-horsepower, 2.5-liter, five-cylinder turbo with which to bash the four-cylinder AMG. The report comes from Quattro World by way of CarScoops, and goes on to claim that Audi hallmarks like Quattro all-wheel drive and a seven-speed S-Tronic dual-clutch transmission will both be present. The new RS3 Sedan would arrive on US shores in 2017 as a 2018 model, with prices starting between $55,000 and $60,000. That should make Mercedes-AMG very nervous – the CLA45 may start around $50,000, but getting it past the $60,000-range is simple (your author was driving a nearly $68,000 CLA45 just last month, for example). Naturally, we have a call in with Audi of America to see if there's any credence to this report. Stay tuned for updates. Related Video: