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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.

Recharge Wrap-up: Tesla tour recounted, Smart using Renault electric motors

A man recounts his recent Tesla factory tour in a new video. When Michael Brown toured Tesla's Fremont facility on September 10, he learned a bit about the production process, saw the enormous stamping equipment Toyota left behind, and even caught a glimpse of the finished Model X SUV. Brown was told very few people in the factory had seen the production version of the Model X. Check out the video above, and read more Teslarati. Johnson Controls is expanding production capacity for Absorbent Glass Mat batteries for fuel-saving stop-start systems. With the market for stop-start batteries possibly growing from 22 million to 56 million by 2020, Johnson is investing $555 million from 2011 to 2020 to be able to build more batteries in the US, Germany and, China. The company is planning to build a $200-million battery plant in Shenyang, China capable of producing 6 million batteries per year. "Johnson Controls is currently the world's leading provider of batteries for Start-Stop vehicles and we plan to stay that way," says Johnson's Lisa Bahash. Read more at Green Car Congress. Renault will provide electric motors for the new Smart ED. The electric versions of the Smart Fourtwo and Forfour will use the same motor as Renault's Zoe EV. The batteries for the Smart cars will be manufactured by Daimler's own Deutsche ACCUmotive. The Renault-powered Smart Fortwo and Forfour Electric Drive are slated to go on sale in 2016. Renault and Daimler have had a working alliance responsible for 13 projects since 2010. Read more from Automotive News Europe. Related Gallery Tesla Factory News Source: Teslarati, YouTube: Michael Brown, Green Car Congress, Automotive News Europe Green Plants/Manufacturing smart Tesla Renault Electric Hybrid Videos recharge wrapup

Tesla 'Model E' to likely get steel construction, sane price tag

Tesla may have made major inroads with its Model S, and it's poised to enter new territory when it finally starts selling its Model X, an iconoclastic gullwing crossover. Neither of those may be as important as the model thereafter, which is expected to be its make-or-break sedan. It won't be called the Model E (thanks a lot, Ford), but the BMW 3 Series-challenging EV will be the litmus test that will determine if Tesla's EV future is palatable to the masses.
Part of that means proving that Tesla can be an affordable alternative to conventional internal-combustion-powered vehicles. According to the company's VP of engineering, Chris Porritt, the new sedan will do just that, thanks in no small part to the company's forthcoming gigafactory battery operations. But beyond that project, there are other things about this new EV that will make it a more alluring option to the average consumer.
Porritt mentioned "appropriate materials," to the UK's Autocar, which is likely another way of saying it's ditching the aluminum-intensive architecture of its big brother.