It looks like the Dutch aren't the only ones looking to snag some car pollution before it gets too far from the source, with Madrid now also paving at least one of streets with a special asphalt of its own that promises to capture up to 90 percent of the pollutants on a sunny day. Unlike the special mix of concrete used in the Dutch town of Hengelo, however, this method apparently uses a layer of a product called "noxer" that's affixed to regular asphalt which, again, produces a reaction that turns the captured nitrogen oxide into a more harmless material that can be washed away whenever it rains. What's more, Madrid is also rolling out another type of pavement that contains recycled tires in other parts of the city, which it hopes will cut down on the city's noise pollution. No word on any plans to combine the two just yet though.

[Via Autoblog Green]

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