A vehicle air feeding system for introducing air with smell associated with a component of a vehicle powertrain into a vehicle passenger compartment. The air feeding system includes an air inlet located adjacent the component of the powertrain, an air outlet located in the vehicle passenger compartment, and an air duct arrangement providing a flow path from the air inlet to the air outlet and configured for guiding air with smell associated with the component of the vehicle powertrain from the air inlet to the air outlet.

A fragrance system for a room, building or other environment, the system including (a) a stand or other form of base and (b) one or more portable fragrance objects, each portable fragrance object providing a fragrance and configured to rest on the stand or base. The stand or base includes one or more fans or other air movement system arranged to release fragrance from one or more of the fragrance objects.