Cars cleaning the air: An outlandish idea?
A while ago I reported on testing on school buses in the Los Angeles region a concept known as HECA or High-Efficiency Cabin Air filtration. Filtering units were placed inside designated L.A. region school bus interiors, done expressly for the purpose of determining device effectiveness as it has to do with its abilility to remove emissions from said bus cabins. Findings of the tests were indeed encouraging.
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