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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