(ADPnews) - Jan 31, 2011 - Brazil's oil and gas giant Petrobras (SAO:PETR3; NYSE:PBR) in January began planting 440 ha (1,087 acres) of palm trees in Brazil's northern Para state to give start to the biodiesel production project developed in partnership with Portuguese oil and gas firm Galp Energia (ELI:GALP).