Toho Tenax, the core company of the Teijin Group’s carbon fibers and composites business, announced today that it has developed a lightweight multi-material roof cover for a fuel-cell bus made of carbon-fiber reinforced plastic (CFRP), aluminum and other lightweight engineering plastics. The roof cover, which boasts a visually appealing surface, can be manufactured in one large piece with complex shapes and is suitable for mass production. The roof cover is adopted for the world’s first mass-produced fuel-cell bus, which was developed by Toyota Motor Corporation.
Roof cover of hydrogen fuel cell bus opts for multi-material solution included engineering plastics and CFRP. In the face of tightening environmental regulations worldwide, the automotive industry is developing lightweight vehicle bodies that achieve enhanced fuel efficiency while maintaining road stability. Since the bus carries high-pressure hydrogen gas tanks in its upper structure, lightweight body components in the top p..


