Japan: The strongest submarine’Soryu’: Air-independent propulsion (AIP)
Komatsu: 4 companies and promotion of decarbonization: Rio Tinto, BHP, Codelco, Boliden.
Dainichi: Robot fuel is’A gas cartridger’: twice as much as LiB
JAXA: Rotating Detonation Engine: Using shock waves as thrust
Hitachi Construction Machinery: Flood Excavator & Dump: “EX5600-7”