Japan's Inpex to test undersea CO2 storage near Tokyo in green steel push

CompaniesProject off Pacific coast could keep emissions in check, but cost barriers remainInpex's drilling rig near Kujukuri, Chiba prefecture will be used to assess the suitability of the seafloor for CO2 storage. (Photo by Takashi Miyazaki)RYUNOSUKE OURA and SHOYA OKINAGAJuly 23, 2026 02:32 JSTTOKYO -- Japanese energy giant Inpex will begin trial drilling for a carbon capture and storage project on the seafloor off the coast of the Chiba prefecture near Tokyo.