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This first-generation Trooper wears grey paint and carries the "Lowcountry" nickname from its prior life. The seller has owned it roughly 10 months, put more than 5,000 miles on it in that time, and ...

PM stands for particulate matter (also called particle pollution): the term for a mixture of solid particles and liquid droplets found in the air. Some particles, such as dust, dirt, soot, or smoke, ...