The Type dimension of the Automotive Vapor Emission Systems market is dissected into activated‑carbon canisters, purge‑valve assemblies, pressure‑sensor modules, diaphragm‑based regulators, and integrated‑control units. Activated‑carbon canisters dominate the segment because they physically adsorb gasoline vapors, representing roughly 45 % of total unit shipments and driving the bulk of manufacturing capacity. Purge‑valve assemblies, which manage the timed release of stored vapors to the intake manifold, account for about 25 % of the market, reflecting their critical role in meeting stringent emissions standards. Pressure‑sensor modules, essential for maintaining system integrity, contribute 15 % as OEMs integrate more precise control loops. Diaphragm regulators, used primarily in older platforms, hold a 10 % share, while integrated‑control units—combining multiple functions—capture the remaining 5 % as a niche but growing segment. Together, these sub‑types shape the overall market size, and their relative weight is a core focus of Automotive Vapor Emission Systems segmentation analyses.