BOGOTA, Colombia, Jan. 28, 2016 /CNW/ — Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC; TSX: ECP) informs that yesterday, as part of its divestment plan, its Board of Directors approved proceeding with the process of selling 100% of its shares in the company Polipropileno del Caribe S.A. This…