europe and asia  emit most of the soot from burning coal, wood, dung, and diesel in open  fires or without particulate filters in stoves, chimneys, smokestacks,  and exhaust pipes.
europe and asia  emit most of the soot from burning coal, wood, dung, and diesel in open  fires or without particulate filters in stoves, chimneys, smokestacks,  and exhaust pipes.
diesel exhaust:77
modern car engines use a diesel particulate filter (dpf) to capture carbon particles and then intermittently burn them using extra fuel injected directly into the filter.