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.
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