The automaker, with the help of several suppliers, says it will debut an advanced thermoplastic olefin (TPO)
nanocomposite step - assist part on its GMC Safari / Chevy Astro minivans.
«Obviously we're not at that stage yet,» says Bill Windscheif, vice president of advanced polyolefins at Basell Polyolefins, a supplier that helped GM develop the
step - assist
nanocomposite part.