The Port of Oakland and the Port of Yokohama in Japan have signed a Green Shipping Corridor Memorandum of Understanding that allows both seaports to further their efforts to decarbonize the trade route between them, the Northern California port announced Oct. 20. Both ports are expected to discuss ways to lower emissions through the development of low carbon and zero-emissions cargo handling equipment and vehicles, as well as fuel alternatives. The ports have a history of partnership that dates back to May 2, 1980, when they first became sister ports. Oakland is a major gateway for Asia, especially Japan, the…