Klesch Group linked to deal on Murco refinery
30 June 2014 Last updated at 20:46 BST
An international company which specialises in taking over troubled businesses has emerged as the most likely buyer of the Murco refinery in Milford Haven, Pembrokeshire.
Some 400 jobs could be saved if the deal with the Klesch Group goes ahead.
BBC Wales business correspondent Brian Meechan reports.