Tokyo-based shipping consortium e5 Lab Inc. has started developing the Roboship, the standard models of electrically powered vessels to realize zero emissions, as well as an integrated system called the Roboship Box which brings together telecommunications, the Internet of Things (IoT), and software.

The e5 Consortium is comprised of Asahi Tanker, Idemitsu Kosan, Exeno Yamamizu Corporation, Mitsui O.S.K. Lines, Tokio Marine & Nichido Fire Insurance, Tokyo Electric Power Company, and Mitsubishi Corporation.