Why is the carbon monoxide detector a safety device in the car ?

Our company once did such an experiment: using a van, after starting the car, turn on the air conditioner, and close the doors and garage doors.After 20 minutes, turn off the car’s engine. The measured carbon monoxide concentration in the air in the garage is 800-900mg/m3, and the hydrocarbon concentration is 9000-10000mg/m3, which are 66.7 […]