August 8, 2012 reality engine David H, Mining Camps, Oil & Gas Australian-based Ambre Energy plans to export coal to Asia from the US August 8, 2012 reality engine David H, Mining Camps, Oil & Gas Australia-based Ambre Enery has signed Letters of Intent with two US manafacturing firms to construct barges to take coal down the Colombia RIver to the Port of St Helens, where it will be exported to Asia.