Volvo doesn't trust the air we breathe, at least not that of many polluted city centers. Instead, it has come out with the Volvo Ambient Air Cleaner (VAAC)—currently used in Volvo's Versatility Concept Car (VCC)—which filters the surrounding air of hydrocarbons and nitrogen oxides. Among the benefits: it neutralizes the equivalent of up to three cars' exhaust emissions, and its sensor activates the fan in response to pollution detection. Solar cells power the VAAC when the car is parked.
A new method of modeling how they are created with chemical vapor deposition (CVD) could reduce the cost of carbon nanostructures used for for research and commercial applications, including advanced sensors and batteries.
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
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