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The Korean liner company said it will continue to serve the Pacific Northwest region from Seattle.
Opponents say the fee drives port costs higher and those costs are difficult to pass on to shippers.
The West Coast ports attributed "dramatic" downturn in volumes to congestion and lack of a ILWU labor contract.
Top executives described initiatives to improve flow of cargo off docks at the nation's two largest ports during the TPM conference in Long Beach.
Vote ended a two-month skirmish over Obama immigration policy and spared agencies like CBP from cutbacks.
Environmental advantages of liquid natural gas remain undisputed despite a lack of profitability, according to the commission.