MIDLAND, Mich. - Dow Polyurethanes, a business unit of The Dow Chemical Company, plans to further invest in Europe by expanding capacity at two of its facilities over the next two years. The company plans to increase nameplate capacity at its polyols plant in Terneuzen, the Netherlands, by 180 kilotons per annum (KTA), and at its propylene glycol facility in Stade, Germany, by 80 KTA.