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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.

2013 Audi RS5 [w/video]

Enjoying The Romance, Not Yet Convinced About A Commitment
I imagine spending time with a sexy sports coupe is similar to a first date with a supermodel. Before she arrives, there's a buildup of excitement mixed with nervous anticipation. Even though the background work is done, there are many concerns and unanswered questions about how the two of you will get along. What about compatibility, engagement and dynamics?
The big day arrives, and you answer the door to find her waiting in the driveway wearing a form-fitting Misano Red Pearl dress and sleek Anthracite stilettos. As you shake your head in disbelief, you swear she just winked her... ah... xenon headlight at you.

Ten of the greatest Super Bowl car commercials of all time

With an average of over 100 million viewers each year, the Super Bowl always has advertisers bringing out the big guns. And for those among us who don't know the difference between a safety and a touchback, those commercials can be one of the most compelling aspects of the annual ritual. Car companies, in particular, have a long history of making the most of the huge Super Bowl audience by debuting some of the most memorable advertisements that have ever aired on television. So, in preparation for the new batch we'll be seeing this coming Sunday, here's a collection of our favorites from the past. 10. Audi – The Godfather When Audi created this homage to the quintessential gangster movie to promote its newest sports car, the company managed to make a commercial that was simultaneously funny, a little bit disturbing, and most importantly memorable. 9. Maserati – Strike This one might start out slow, but it delivers not only with the wicked sound of the third-generation Ghibli's engine, but with an interesting message about hubris in the auto industry as well. 8. Nissan 300ZX Twin-Turbo – Dream Directed by none other than Ridley Scott (Blade Runner, Alien), this dystopian spot has centers around a narrator who explains that in his dream the bad guys are unable to catch him despite their best efforts by way of street bikes, race cars, and supersonic jets. While the twin-turbocharged 300ZX car was certainly a performance powerhouse to be reckoned with in its day, the concept and execution of this one does come off a little bit campy now – but in a good way. Then again, it is a dream, after all. 7. General Motors – Robot This one is unique in that it's genuinely depressing on a profound level. Who would've thought that the simulated suicide of a lovable, anthropomorphic car-building robot who has fallen on hard times could be such a downer? 6. Nissan – With Dad Although the debut season of its new LMP1 racer didn't exactly turn out how the team hoped it would, there's no denying that Nissan's depiction of a strained father-and-son relationship that eventually leads to redemption (and the introduction of the 2016 Maxima) tugs at the heartstrings. 5. Volkswagen – Big Day A surprisingly poignant advert, this one might be low on dialogue but it certainly gets its message across. And just as the dramatic soundtrack begins to lull the viewer into a sense of security, our expectations are upended. 4.