Final answer:
In the EVAP system, the 'B fuel tank' is the component that captures gasoline vapors to prevent them from escaping into the atmosphere. The EVAP system recycles these vapors for combustion within the engine.
Step-by-step explanation:
The component in the EVAP system that is listed below is 'B fuel tank'. The EVAP system, which stands for Evaporative Emission Control System, is designed to prevent gasoline vapors from the fuel system from escaping into the atmosphere. In contrast to the parts listed, the catalytic converter is part of the exhaust system, the exhaust manifold is part of the engine's exhaust port, and the radiator is part of the cooling system. Specifically, the fuel tank is where the system starts by capturing and containing fuel vapors, which are then sent through the EVAP system to be recycled within the vehicle's engine for combustion.