Answering "What emissions control device on a car lowers carbon monoxide content?"
It produces more carbon monoxide.
mostly carbon monoxide, some carbon dioxide, and some water vapor
Yes, in the form of CO2 (carbon dioxide), CO (carbon monoxide) and other carbon emissions, including more or less pure carbon.
Carbon Monoxide is the most common gas emitted from a car.
Sulphur dioxide, carbon monoxide and fuel emissions.
carbon monoxide is a rich indicator, if you are producing too much, you have a fuel system problem.
Catalytic converters.
Make frequent ventilation, use appropriate heating systems, mount a carbon monoxide detector.
The main tail pipe emissions are carbon dioxide, carbon monoxide, water, nitrous oxide, and unburnt hydro carbons.
HC hydrocarbons CO carbon monoxide NOx oxides of nitrogen
Hydro carbons, oxides of nitrogen and carbon monoxide. HC, NOx, and CO
Carbon monoxide, nitrogen dioxide, sulphur dioxide, tar, and many other pollutants.