NOVA Chemicals Corporation, together with its subsidiaries, engages in the production and marketing of plastics and chemicals. The company operates in three business units: Olefins/Polyolefins, Performance Styrenics, and STYRENIX. The Olefins/Polyolefins unit produces and markets ethylene, polyethylene, and polyethylene performance products, as well as chemical and energy products. The Performance Styrenics unit produces and markets expandable polystyrene and styrenic polymer performance product ...