UPDATE 2-Abengoa unit files for U.S. bankruptcy with up to $10 bln in debt
UPDATE 2-Abengoa unit files for U.S. bankruptcy with up to $10 bln in debt
WILMINGTON, Del./CHICAGO, Feb 24 (Reuters) - Abengoa SA put its U.S. bioenergy unit into Chapter 11 bankruptcy on Wednesday with up to $10 billion in liabilities, the latest twist in the multinational parent's race to avoid becoming Spain's largest corporate failure.