UPDATE 1-Abengoa's U.S. unit, holdout creditor spar over bankruptcy plan

WILMINGTON, Del./CHICAGO, Dec 6 (Reuters) - A U.S.

subsidiary of Spanish renewable energy firm Abengoa SA pressed a

judge on Tuesday to approve its plan to exit bankruptcy over

objections from a holdout creditor, who said the plan violated

U.S. law by favoring the company's foreign parent.

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