The commercial transport business has struggled to maintain market share in the face of heavily subsidized competition from Airbus.

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Flooding in the Midwest is a horror story for the barge transport business, with grains not getting to market and earnings taking a short-term hit.

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It owns 27% of Dynegy's stock and for years paid Dynegy to market and transport all its domestic natural gas, until Williamson exited that business.

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