The EVAP vent control valve (solenoid), orvent valve,is a part of the EVAP system. It controls the flow of outside air in and out of the charcoal canister. In some cars, it's called Canister Close Valve (CCV).
A graphene based adsorbent material incorporated into a scrubber forming a portion of a canister or connected to a vent port of the canister in the evaporative emissions management system. The adsorbent material is specifically adsorptive of vaporized hydrocarbons for preventing bleed emissions while ...