Dutch paving stones clean air pollution

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   wNelson | 3 months ago

   I've read about a similar technology that works inside paint, the paint on a building. "Will see if chemically tricked-out paving stones can clean the air. The University of Twente (UT) has devised a concrete capable of converting the nitrogen oxide from car exhaust--the source of smog and acid rain--into a nitrate, another chemical that will wash away in the rain. "

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