Air-purifying pavement Archives – The Green Optimistic

America’s Greenest Street Knocks Out NOx Gases

Janina Lazo-Cruz — Fri, 19 Oct 2012 17:52:28 +0000

In the midst of a city where air pollutants are lingering, along the Cermak Road and the Blue Island Avenue, stands the two-mile stretch of a street paved with photocatalytic cement that removes nitrogen oxide from surrounding air. It is the greenest street in America, as publicly announced by the Chicago Department of Transportation (CDOT). […]

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Air-Purifying Concrete Paving Stones Remove Nitrogen Oxides from Vehicle Emissions

Mike Sandru — Wed, 07 Jul 2010 16:12:15 +0000

Researchers from the Eindhoven University of Technology in the Netherlands claim to have invented a new type of paving material that actually removes some pollutants from the air as vehicles travel over the surface. Combined with concrete or normal asphalt, the new material is able to eliminate 25% to 45% of nitrogen oxides from vehicle gases.

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