STG said the filing will reset its balance sheet and reduce debt obligations, but drayage, domestic intermodal, transloading and warehousing operations will not be affected.
Most major carriers have set net-zero goals and are investing heavily in dual-fuel vessels that support their emissions-cutting strategies despite a lack of global regulatory support.
The delays began last month after the railroad transitioned its Louisville ramp to grounded operations, but NS says it is taking steps to mitigate the backups.