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Agency is also planning a February discussion of environmental issues at ports.
Rail company saw strong growth in domestic intermodal.
Permit allows waiver from emission control area requirement as scrubbers installed.
Congress passed a 7-day extension to keep the department running while negotiations over immigration dispute continue.
Texas’s exports reached $289 billion and California topped $174.1 billion in export value for 2014.
Economy grew at 2.2% pace, government says.