• Tag Archives: “paving stones”

    Paving stones help decrease NOx in air by 25% to 45% according to Netherlands research

    Posted on July 9, 2010 by gavril

    Researches in the Netherlands have literally driven upon a shocking fact recently. Using roads as air purifiers has never been thought of before, until now. Tests carried out in the municipality of Hengelo with the Castorweg road being resurfaced. The … Continue reading3 →

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