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Agency is also planning a February discussion of environmental issues at ports.
Major shipper and railroad told a Senate panel about the harmful impact of work slowdowns at West Coast ports.
January container volume at Charleston grew 18 percent
Marine terminal officials agree that future contracts will require ongoing collaboration.
Maersk Line CEO Soren Skou told American Shipper container lines need to adapt to permanent overcapacity, and cited Maersk's network management as the primary driver of bumper profits in recent years.
Economist revised forecasts, predicting lower import growth and a second year of declines in exports.