Abstract
With the increasing stringency of emission standards, the challenge for conventional passenger vehicles to meet evaporative emission requirements has intensified. Evaporative emissions from vehicles are primarily derived from the fuel system and the non-fuel system, with the latter accounting for 30% to 50% of total vehicle emissions. Thus, the study of non-fuel system evaporative pollutants in passenger vehicles has become especially important. This research conducted tests on automobile seat assemblies and their components to identify the main pollutants. Through the contribution of concentration ratios, a predictive formula was established to validate tests related to seat assemblies and components, aiding enterprises in effectively controlling non-fuel evaporative pollutants from automobile seats.
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