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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.

Bonhams sells '85 Audi Sport Quattro for record $427k at Goodwood

1960s Ferraris and pre-war Bugattis tend to fetch the highest prices at auction, but the Audi Sport Quattro is coming into its own. Just this past January in Scottsdale, RM Auctions sold one for an investment-worthy $401k. But during its sale at the Goodwood Members' Meeting this past weekend, rival auction house Bonhams set a new record for the prototypical hot hatch at GBP287,100 – equivalent at today's exchange rates to over $427,000. The pristine white 1985 example has had three owners to date and 26,000 miles on the odometer, and was joined by a 1982 Audi Quattro A1 Group B rally car that won the 1983 championship and sold for nearly as much as its road-going counterpart at GBP253,480 ($377k). Those weren't even the highest-grossing lots at the auction though. The headline price was achieved by a 1959 Frazer Nash Le Mans Coupe that sold for a nice round GBP470,000 ($700k). Other highlights included a 1962 Aston Martin DB4s that went for the equivalent of $382k and a '66 Aston DB6 Vantage that brought in $288k. This was just the first of three auctions that Bonhams will hold at Goodwood this year, with the Festival of Speed scheduled for June 26 and the Revival for September 12. 1980S MOTORING LEGENDS LEAD THE WAY at Bonhams Goodwood Members' Meeting sale 21 Mar 2015, Goodwood 73rd Members' Meeting The ex-Kitty Maurice 1959 Frazer Nash Le Mans Coupe was the top lot of the day, selling for GBP470,000. 1980s models achieved excellent prices, with the 1985 Audi Quattro Sport SWB Coupe setting a new world auction record for the model at GBP287,100, and the ex-works, Hannu Mikkola/Arne Hertz 1982 Audi Quattro A1 Group B Rally Car selling for GBP253,480. The first of three Bonhams auctions scheduled at Goodwood for 2015, the Sale saw three-quarters of motor cars finding new homes. Restoration projects also proved popular, with a 1962 Aston Martin DB4 Series IV Sports Saloon achieving GBP256,860, and a 1963 Porsche 356B Super 90 Coupe doubling estimate at GBP32,200. Bonhams inaugural Sale at the 73rd Goodwood Members' Meeting showed a strong trend for iconic 1980s sports cars, achieving a new world auction record for an Audi Quattro as the hammer fell at GBP287,100 for the 1985 Sport SWB Coupe model.

2015 Audi A3

The five-door Audi A3 hatchback, on sale in the States since the 2006 model year, never earned the respect it deserved. Despite possessing the automaker's well-regarded build quality and a range of strong powerplants (including an excellent diesel option), the entry-level model always played second fiddle to the rest of the Audi lineup, suffering from less innovative technologies and fewer premium options on its list. Many buyers considered it inferior to the rest of the models in the company's showroom. But those misconceptions could be about to change, as Audi is in the midst of introducing its third-generation A3 family to the States with expectations that the range will finally align with the rest of its portfolio.
First to arrive is this new sedan, notable as it is the first time the A3 has been offered as a compact four door. The new bodystyle is positioned as a premium C-segment offering, with its most obvious competitor being the new Mercedes-Benz CLA-Class (BMW has not officially announced a 2 Series Gran Coupe, which would be the third entrant in the segment). The automaker says its "A3/S3 models will be among the most technically advanced Audi products around" and there will be "no sacrificing Audi craftsmanship and premium appointments." To put the automaker's claims to the test, we spent a week with this new sedan in Southern California.