SSA Terminals, an SSA Marine and Matson Navigation Co. joint venture, has introduced 33 new battery-electric yard tractors at the Port of Long Beach, the biggest deployment of its type on the West Coast, the port announced Nov. 30. The new tractors, which replaced older versions that ran on gas and diesel, were funded in part by $50 million from the California Air Resources Board for the Sustainable Terminals Accelerating Regional Transformation. SSA Terminals said that it worked with developers to create equipment and infrastructure that could keep up with demands of moving cargo in Long Beach. SSA Terminals also…