The pair's managing director Jim McFarland said: Although we have been disappointed with the delays in commissioning the plant, good progress is being made in understanding and resolving the air emissions issues that have limited run time on the plant. McFarland was responding to a decision by his 50% Canadian partner Suncor Energy to suspend the project's next phase after suffering an after-tax write down of $54 million due to operational problems requiring expenditure of $8.8