(EnergyAsia, January 5 2012, Thursday) — China now fully owns a Canadian oil sands project for the first time after Athabasca Oil Sands Corp (AOSC) said it had sold off its remaining 40% stake in a northern Alberta project to a PetroChina subsidiary for C$680 million in cash. (US$1=C$1.03). Calgary-based AOSC said it will reduce…