(1) Asphalt emulsion finds a more general use as a tackifier to hold rovings and straw in place.(2) The energy used to create the fibers - it starts with a plant, then the cords are removed, the material is dried, then rovings are produced - requires 60% less energy than glass.(3) At the other end of the process of manufacture, there were merchants who organized the ginning and bowing of the raw cotton and sold the rovings to the spinners.