Motor vehicles are a prime pollution source. In certain circumstances, the vehicle's exhaust may enter the vehicle cabin causing driver discomfort and adverse health effects. As a result, driver reflexes decrease and fatigue may be exhibited. Oxygen depletion due to vehicle occupant breathing can also threaten vehicle safety. Cabin air filters and ventilation control are capable of improving passenger comfort, however an intelligent gas sensing system is required to trigger effective action to prevent driver fatigue and exhaust gas suicides. An action plan is provided based on a gas sensing system integrated to the engine and body management systems of a vehicle
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