IRVING, Texas--(BUSINESS WIRE)---- $DAR--Darling Ingredients Inc. (NYSE: DAR) today announced that the Board of Directors has refreshed and increased its share repurchase program to $1 billion. “As our balance sheet continues to strengthen and cash generation accelerates, we have the flexibility to invest in our business, pursue attractive organic growth opportunities and return capital to our shareholders,” said Randall C. Stuewe, Chairman and Chief Executive Officer. “This share repurchase program ref.