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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.

Best electric sedans of 2024

While the American automotive trends tend to lean toward SUVs and trucks, and sedans seem to be dying out, there are some great four-doors out there in the EV market. They may not have the bulk, the high vantage point, or the storage capacity of the utes, but some folks still want a car that’s, well, a car. A sedan might not always have as much room to cram in a big battery pack, either, but they also donÂ’t weigh as much. They tend to be more lithe, sexy and agile. And theyÂ’re generally cheaper than their bigger brethren, too, though some of the full-size luxury sedans can still get well into six-figure pricing. If thatÂ’s not your thing, you can check out the best electric SUVs, but if youÂ’ve read this far, you probably enjoy sedans as much as us. WeÂ’ve tested quite a few, and these are the best electric sedans of 2024.   Best electric sedans below $60,000 Tesla Model 3 — $40,380 The Tesla Model 3 is one of just two sedans (along with the Hyundai Ioniq 6) to make it onto our list of best EVs under $50,000. ItÂ’s quite the value, too, with a starting price of just $40,380. ItÂ’s also fun to drive. Yes, it has some quirks, including too many vehicle functions residing exclusively in infotainment menus, but the Model 3's idiosyncrasies are easy to forgive based on its price and range, and they're things you can quickly get used to or possibly even appreciate. No wonder this EV is so popular.   Hyundai Ioniq 6 — $43,565 Of the sedans on this list, the Ioniq 6 is one of the most affordable (starting at $43,565), and one of the best. ItÂ’s quite efficient, with long driving range — up to 361 miles. Its cabin is creative in its design while being practical and comfortable. Interestingly, the Hyundai Ioniq 6 is the sportiest version of Hyundai and KiaÂ’s E-GMP cars, apart from the high-performance Kia EV6 GT. Its design, value, range, fast charging and other useful tech easily make it one of best electric sedans you can buy.   BMW i4 — $53,195 Though the BMW i4 is essentially an electric version of the 4 Series Gran Coupe, this EV sedan is something special. ItÂ’s packed with power and great driving dynamics in true BMW style. The rear-drive i4 eDrive40 is one quick car, but the i4 M50 is ridiculously fast. If you can get past the questionable nose and the iDrive 8 infotainment system, the i4 is an electric sleeper, and a performance bargain.

Fisker to unveil its all-electric EMotion at CES in January

Back from the brink, electric carmaker Fisker says it will debut its EMotion sedan at the 2018 Consumer Electronics Show in Las Vegas in January. The EMotion is notable for several reasons, including its promised 400-plus miles of range, the ability to charge to 125 miles of range in just 9 minutes and its lidar autonomous technology. The car will also feature four butterfly doors and will be built with carbon fiber rims and a mixture of carbon fiber and aluminum in the body to save on weight. It's also the second go at building an EV for Fisker, which filed for Chapter 11 bankruptcy protection in 2013 after the Fisker Karma luxury plug-in hybrid fell flat. Fisker was sold in 2014 to Chinese auto supplier Wanxiang Group for about $149 million. And the EMotion can be yours for a cool $129,000. In fact, the company started taking pre-orders in June with a $2,000 deposit, even though the car won't come out until 2019. The EMotion is seen as a rival to Tesla, but CEO Henrik Fisker tells The Street he sees room for competition in the EV segment. "I don't think anyone is out to kill anybody," Fisker said. "Tesla doesn't really have a competitor. It doesn't look like one is going to emerge. I think it's time to move to a next level of this technology and I believe that we have come up with some real breakthroughs." Fisker also told The Street the company is simultaneously developing an affordable version of the EMotion, aimed to be priced around $34,000, that's due out in 2020. That's just a hair under the $35,000 base price of the Tesla Model 3. The veteran car designer first revealed the EMotion via Twitter in June. He told Autoblog recently that he's looking to buy an existing factory to build the car but hadn't yet chosen one, saying "We don't have to make a decision until the end of the year." The EMotion will be powered by two electric motors giving it all-wheel drive, lithium-ion battery packs sourced from LG Chem with a cooling system designed by Fisker that increases energy density. Related Video: Featured Gallery Fisker EMotion View 14 Photos News Source: The Street Celebrities Green Plants/Manufacturing CES Fisker Tesla Green Automakers Technology Emerging Technologies Autonomous Vehicles Electric Sedan Henrik Fisker