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American Association of Exporters and Importers joined with Asian and European shipper groups.
The House legislator reintroduced a bill that could raise $8 billion each year.
Bigger ships bring many challenges, as well as benefits.
Bipartisan legislation was introduced Thursday on Capitol Hill to extend TPA to President Obama.
Tampa, Mobile and Houston joined forces to lure container lines.
The Shanghai Shipping Exchange shows spot rates to Europe at low of $399 per TEU.