Reducing the output of harmful emissions is a necessary thing, but what can we do about the pollution that’s already out there? That’s the question being asked by UK-based firm Pollution Solutions, and its answer is a new “cat’s eye-style” in-ground filter that the company claims will be able to substantially reduce air pollution at busy intersections
Source: Roadside Filters by “Pollution Solution” Scrub 99% of Air Pollution
The obvious question to ask about this sort of plan is whether for the the money it would cost to develop and deploy this, you could have more impact by just replacing ICE vehicles (esp. diesel trucks) with BEV directly.