To address the challenges and policy solutions to achieve zero-emission freight at the Southern California ports, UCLA Law’s Emmett Institute on Climate and Environment and Berkeley Law’s Center for Law, Energy & the Environment (CLEE) hosted a conference at UCLA on June 8, 2018, Toward Zero-Emission Freight at Southern California’s Ports, sponsored by Bank of America. The speakers included leading representatives from vehicle manufacturers, the ports, state and local government, nonprofit advocates, and community groups. This policy brief summarizes the key challenges and promising solutions to overcome them, as identified by speakers at the conference.