ENR Article – Noise Wall Able to ‘Eat’ Smog Tested on Real Roads

A Canadian company’s “smog-eating” highway noise wall technology, aimed at trapping air pollutants emitted by vehicles, is currently being tested on highways in Toronto and the U.K. Proponents say it can reduce overall air pollution by 50%.

https://www.enr.com/articles/49797-noise-wall-able-to-eat-smog-tested-on-real-roads