Vehicle floor coverings are provided with tubular air ducts therewithin that are configured to deliver air from air sources upwardly through a porous structure of the floor covering and into a vehicle compartment. Vehicle floor coverings are provided with electrical wiring harnesses therewithin that can facilitate the interconnection of various vehicle electronic components. Vehicle floor coverings are provided with optical fibers therewithin that are configured to deliver light from a light source to one or more locations within a vehicle and/or to provide special effects and customization of vehicle interiors.