Carbon monoxide gas and Exhaust fumes

Carbon monoxide gas noun - An odorless very poisonous gas that is a product of incomplete combustion of carbon.

Exhaust fumes and carbon monoxide gas are semantically related in colorless odorless toxic gas topic. In some cases you can use "Exhaust fumes" instead a noun phrase "Carbon monoxide gas".

Exhaust fumes noun - Gases ejected from an engine as waste products.

Carbon monoxide gas and exhaust fumes are semantically related in colorless odorless toxic gas topic. You can use "Carbon monoxide gas" instead a noun phrase "Exhaust fumes".