Mitsubishi Minatomirai Industrial Museum gives an introduction to diverse power generation methods. The Environment/Energy Zone of the Mitsubishi Minatomirai Industrial Museum, established by Mitsubishi Heavy Industries, Ltd. (MHI) in Yokohama in 1994, will reopen following a complete renovation of its exhibits. Organized under the theme of "energy diversity," the newly refurbished zone will feature actual exhibits, scale models and video presentations introducing MHI's various power generation methods.