All carbon-containing compounds may produce carbon monoxide when burned, and gasoline combustion is no exception.
The space in the car is relatively closed, and the carbon monoxide in the car does not come from the air conditioner, but from the "everywhere" of the vehicle. The main source of carbon monoxide in the car is the large amount of exhaust gas generated when the vehicle is idling. This exhaust gas cannot be used in a closed garage. It disperses, and gradually penetrates into the car through the gap of the car itself, including the vehicle air inlet. In view of the different degree of sealing of the compartment of various models, the speed of the exhaust gas entering is slightly different.
There used to be a family of three. Because the road was blocked by heavy snow, the car was idling in the snow and the car could not go home. The end of the carbon monoxide poisoning incident was because the exhaust port was blocked by heavy snow. The tragedy caused by the backflow of exhaust gas into the cab of a car. When the car is stationary, the air inside the car will not circulate with the outside even if the external circulation is on.
Therefore, when driving, try to drive the outer loop to ensure that the car is running normally, and try to stay in the car without idling, so as to avoid the recurrence of the tragedy caused by carbon monoxide backflow.
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