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New study finds surprisingly high contribution from paints, pesticides, perfumes as vehicle emissions drop: 

Chemical products that contain compounds refined from petroleum, like household cleaners, pesticides, paints and perfumes, now rival motor vehicle-related emissions as the top source of urban air pollution, according to a surprising NOAA-led study.

People use a lot more fuel than they do petroleum-based compounds in chemical products—about 15 times more by weight, according to the new assessment. Even so, lotions, paints and other products contribute about as much to air pollution as the transportation sector does, said lead author Brian McDonald, a CIRES scientist working in NOAA’s Chemical Sciences Division. 

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