There's hopes new Cook Strait ferries will be rail-enabled.
Minister for Rail Winston Peters is promising more details by the month's end.
He's confirmed Hyundai - the company whose ship and infrastructure deal was dumped by the Government - is in the running for a new contract.
The break fee on the original canned deal is $300 million.
Maritime Union national secretary Carl Findlay says the cancellation was silly.
He explained getting world-class builders to make the ships as close to the original plan would be ideal.
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