0001842279 2022-09-29 2022-09-29 0001842279 us-gaap:CommonClassAMember 2022-09-29 2022-09-29 0001842279 us-gaap:WarrantMember 2022-09-29 2022-09-29 0001842279 false 8-K 2022-09-29 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 $.0001 per share OPAL NASDAQ Warrants, each whole warrant exercisable for one share of Class A Common Stock OPALW NASDAQ true false