(SeeNews) - Nov 29, 2012 - Raizen, the sugar and ethanol joint venture of Brazilian sector player Cosan (SAO:CSAN3) and Anglo-Dutch oil major Shell (AMS:RDSA, LON:RDSA), will launch today energy cogeneration units at its Univalem and Ipaussu sugar cane processing mills, local daily Valor Economico reported late yesterday.