Steam train on Keighley and Worth Valley Railway
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Heritage steam under coal threat

27 May 2013 Last updated at 14:27 BST

As summer approaches, many of the heritage sites much loved by day-trippers are facing problems because of a shortage in coal and the resulting increase in costs.

A fire at Warwickshire's Daw Mill mine and the collapse of Scottish Coal in April has left many steam railway owners struggling to find supplies.

Ed Thomas reports.