Mongabay: Preliminary data from Brazil’s energy ministry shows that bioenergy derived from sugar cane surpassed hydroelectric power as Brazil’s secondary largest source of energy in 2007, reports Biopact. The annual National Energy Balance report produced by Empresa de Pesquisa Energética (EPE) shows that 46.4 percent of Brazil’s energy comes from renewable sources. By comparison, renewable energy accounts for 5.2 percent of power in OECD countries. In the U.S., about 7 percent of energy came …