07.08.2008 00:06 Uhr, Quelle: Engadget

Dutch town looks to cut pollution with air-purifying concrete

Filed under: Misc. Gadgets The Dutch town of Hengelo looks to be taking a rather unique approach to cleaning the air, with it now testing out a new type of "air-purifying concrete" developed by the University of Twente that promises to soak up the nitrogen oxide particles emitted by car exhausts. That's done with the aid of a titanium dioxide-based additive which, with the help of some sunlight, binds with the nitrogen oxide particles and turns them into harmless nitrates, which can apparently just wash away with the ne

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