Because of increasingly fierce domestic and foreign competition, automobile manufacturers are focusing on design as a way to project an image of high quality while offering value to consumers. Currently, the majority of domestic automobile producers use fabrics constructed of polyester and/or nylon fibers. Stringent research and development, supplier certified testing, and unique finishing requirements have limited the automotive textile supplier base in the United States to approximately seven manufacturers. As automobile manufacturers reduce car weight by using more glass, the demand for greater dye stability for good lightfastness of interior fabrics will increase. Other challenges that confront automotive textile suppliers include the prevention of fiber degradation, pilling, and pile distortion.