A subsidiary of CRRC, China's leading train maker, on Wednesday released a new type of railway bogie that can be used by high-speed trains running at 400 kilometers per hour. Compared to standard externally mounted bogie, the new built-in bogie is 20 percent lighter. It can reduce a train's operational energy consumption by 15 percent and wheel-rail wear by about 30 percent, and lower the maintenance costs of lines and bogies by 15 percent throughout their life cycle, which will make electrical multiple unit (EMU) trains greener and more energy-efficient, according to the CRRC Changchun Railway Vehicles Co Ltd the manufacturer. (....)