Brazil's important ethanol sector took a hit Friday after a major producer revealed that it filed court papers seeking protection from creditors while it restructures $100 million in debt, the Associated Press reported. Companhia Albertina sought the protection similar to Chapter 11 bankruptcy reorganization used in the United States but will continue operating, said Gabriel Andrade, an investment banker with Sao Paulo's Arsenal Investments who is advising the company. It appeared to be the first sign of trouble for an ethanol producer since the credit crisis hit the planet hard. Brazil is the second-largest producer of ethanol after the United States, and the world's biggest exporter. Read more.