Carbon Monoxide
Carbon monoxide comes out of a car. This colorless gas that is released from a car's exhaust is poisonous when inhaled in a highly concentrated form.
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Vehicle exhaust is the gas emitted from engines after combustion.
It moves the poisonous gas away from the occupants of the car and also provides silencing of the waste gas by passing it through a silencer (Muffler). The exhaust system on modern gasoline engines also includes the catalytic converter to remove some of the poisonous, polluting, gases.
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carbon monoxide is in exhaust gas
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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.
Carbon monoxide is a poisonous gas that is colorless, odorless, and tasteless. It can be emitted from sources such as car exhausts, faulty gas appliances, and tobacco smoke. Inhaling carbon monoxide can lead to symptoms like headache, nausea, dizziness, and even death.
Carbon Monoxide is the most common gas emitted from a car.
Exhaust