Report: Roads laced with titanium dioxide could help us breathe easier
The EUT conducted real-world studies on a 1,000-square-meter section of repaved road in the Netherlands. Such testing showed that the laced pavement could reduce nitrogen oxides by 25 to 45 percent more than traditional concrete. As Jos Brouwers, professor of building materials at the EUT remarked, "The air-purifying properties of the new paving stones had already been shown in the laboratory, but these results now show that they also work outdoors."
Additional testing is still underway and although the pavement laced with titanium dioxide does cost some 50 percent more than regular cement, overall road-building costs only increase by a marginal 10 percent. Costs aside, the advantages of the titanium dioxide are readily apparent, but the implementation of such a product requires repaving our roadways – a time intensive and costly endeavor.
[Source: Eindhoven University of Technology]
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