FMC Commissioner Khouri said the agency is making sure ocean carriers properly implement any surcharges for cargo at West Coast ports.
In the document, the railroad said it has the most environmentally friendly and youngest array of locomotives in the United States.
The Senate passed legislation, as part of the ABLE Act, to enact a 9-cent increase to the barge diesel fuel user fee.
Carriers are benefiting from lower oil prices, but face capacity overhang.
Hueneme CEO says port could offer relief valve for congestion.
Analysts from IHS Maritime & Trade predict continued increases in fatal incidents in both the shipping and passenger sectors.