The CRRC, the Chinese state owned rolling stock manufacturer and the world's largest train builder, has developed graphene-based supercapacitors that can power electric buses with higher efficiency and for a longer period. . China: A fleet of 16 such cars has rolled off the production line at the Chinese manufacturer's site in that same city. 3 km line which provides connection between the two terminals of the Chongqing Jiangbei International Airport. The. . MAXWELL Technologies, United States, has signed a long-term strategic partnership with CRRC subsidiary China Qingdao Sifang Rolling Stock Research Institute (CRRC SRI) to jointly develop new rolling stock energy storage solutions for the Chinese market. CRRC and Maxwell will develop supercapacitors. . Methanol reforming hydrogen fuel cell + supercapacitor bus is a „new type of bus“, it has overcome the long charging and discharging time and the limited running mileage of the pure electric bus. . Chongqing, China (Metro Rail Today): CRRC Corporation Ltd.
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