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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.

New Jersey Becomes Third State To Ban Tesla Sales

State motor vehicle officials have approved a regulation that would require all new car dealers to obtain franchise agreements to receive state licenses, a move critics say will hurt the electric-car industry's attempts to expand. The regulation, adopted Tuesday by the state's Motor Vehicle Commission by a 6-0 vote, effectively prohibits companies from using a direct-sales model, which cuts out the middleman and takes vehicles directly to customers through smaller retail establishments. It will take effect April 1. The regulation was supported by the New Jersey Coalition of Automotive Retailers, which has noted that state law has long required automakers to sell their vehicles through dealers. But Palo Alto, Calif.-based Tesla Motors, one of the electric-car companies that would be affected by it, called it "an affront to the very concept of a free market." Tesla said in a statement posted on its corporate website that it has been "working constructively" with the commission and Republican Gov. Chris Christie's administration since last year to delay the proposal so it could be handled through "a fair process" in the state Legislature. The company said the commission and the Christie administration went "beyond their authority to implement the state's laws at the behest of a special interest group looking to protect its monopoly at the expense of New Jersey consumers." Administration officials disputed Tesla's claims. "Since Tesla first began operating in New Jersey one year ago, it was made clear that the company would need to engage the Legislature on a bill to establish their new direct-sales operations under New Jersey law," spokesman Kevin Roberts said. "This administration does not find it appropriate to unilaterally change the way cars are sold in New Jersey without legislation, and Tesla has been aware of this position since the beginning." Tesla has two retail locations in New Jersey and has planned to expand in the state in an effort to sell its electric cars, which retail for around $60,000 before incentives. Related Gallery Electric Cars And Hybrids Don't Have To Be Frumpy By the Numbers Tesla Car Dealers

Court says Tesla will be able to use Te Si La name in China

Turns out, a Tesla in China will remain a Tesla. Or, more accurately, Tesla will be Te Si La, which is the name the company originally wanted to use before having to come up with the "Tuosule" workaround after a Chinese businessman registered the "Te Si La" trademark away from the California automaker there. Speaking to Reuters this week as Tesla announced its "aggressive" pricing for the Model S in China, Veronica Wu, vice president of Tesla's China operations, said, "We went to court and we won. The court has given use right to use the name, which is why you see the Chinese name in our store now." Te Si La is the name "best known" to buyers in China, Reuters says. So now that's what it'll be called when buyers plunk down 734,000 yuan (the equivalent to $121,000 US) for a Model S. Featured Gallery Tesla Model S View 24 Photos News Source: ReutersImage Credit: Copyright 2014 Drew Phillips / AOL Green Tesla Electric trademark