In search of a concept that could change the future of goods movement, the Port of Long Beach and a panel of independent experts will soon begin a thorough review of ideas offered by seven companies for a zero-emission system to transport cargo containers. The ports of Long Beach and Los Angeles and the Alameda Corridor Transportation Authority (ACTA) are seeking a new, non-polluting technology to move containers between the marine terminals and an intermodal rail yard next to West Long Beach.