0001842279 2023-06-23 2023-06-23 0001842279 false 8-K 2023-06-23 OPAL Fuels Inc. DE 001-40272 98-1578357 One North Lexington Avenue Suite 1450 White Plains NY 10601 914 705-4000 false false false false Class A common stock, par value $0.0001 per share OPAL NASDAQ true false