Friday, September 26, 2014

What poisonous chemical substance is in automobile emissions?

What poisonous chemical substance is in automobile emissions?
CO2 and smog

Added:

The above answer is incomplete. Carbon monoxide is the premier gas in car exhaust that is poisonous. This orderless, colorless and tasteless gas binds to the heme in hemoglobin preferentially to oxygen causing a rapid death by asphyxiation.

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