(SeeNews) - Jun 19, 2013 - Brazil's state-owned power utility Copel (SAO:CPLE6) has invested BRL 3.5 million (USD 1.6m/EUR 1.2m) in a laboratory for research and development (R&D) of vegetable oils for possible biodiesel production at the Assis Gurgacz Faculty, in southern Parana state.