OWTU blanked a third time over refinery purchase Finance Minister Colm Imbert. - THE Government on Thursday, for a third time, rejected an offer by its preferred bidder Patriotic Energies and Technologies Company to buy the Guaracara refinery. The refinery will go back onto the open market. At the post-Cabinet media briefing at the Diplomatic Centre, St Ann's, Finance Minister Colm Imbert said the company had only made proposals, but no firm binding offer. "Cabinet felt we could not proceed with this matter and we would have to revert to the decision we made previously (that is, the open market).