TOKYO -- Nissan Motor's drive to cut vehicle emissions recently took a hard road in the foothills of Mount Fuji.
Japanese automakers try greener fuels to chase carbon neutral goal with conventional cars

This Nissan Z sports car features an engine that can run on carbon-neutral biofuel. (Photo by Kenya Akama)
TOKYO -- Nissan Motor's drive to cut vehicle emissions recently took a hard road in the foothills of Mount Fuji.