Multiple choice Which instrument is fitted in automobiles to reduce harmful emissions from its exhaust? Catalytic convertor Biogas plant Electrostatic precipitator Sedimentation Scrubber Reveal answer Fill a bubble to check yourself A Correct answer Explanation Catalytic convertor is fitted in automobiles to reduce harmful emissions from its exhaust. This instrument has a catalyst, which can convert carbon monoxide into carbon dioxide, oxides of nitrogen into gaseous nitrogen, etc.