The Ministry partnered with Envision SQ Inc. and researchers at the University of Guelph for the study, which put the SmogStop™ Barrier to the test in real-world conditions along Highway 401, North America’s busiest highway.
Results of the study, which was finalized in September, showed SmogStop™ reduced concentrations of nitrogen oxides (NOX) including NO and NO2 — which are harmful products of burning gasoline and diesel fuel — by an overall average of 49 percent. During daytime hours, the barrier was observed to remove 13 kilograms of NOX per kilometre — the equivalent of taking 61,000 vehicles off that stretch of road every day.
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