OPAL Fuels Inc. (Nasdaq: OPAL) is a vertically integrated renewable natural gas company that entered public markets through a merger with ArcLight Clean Transition Corp. II, a blank-check vehicle sponsored by ArcLight Capital Partners that completed its IPO in 2021. The company collects, processes, and distributes RNG derived from organic waste streams and operates compressed natural gas fueling infrastructure across the United States, placing it squarely within the clean energy and sustainable transportation sector. The November 2021 Form 10-Q/A filing, bearing accession number 0001193125-21-340962, represents an amended quarterly disclosure submitted to the SEC in connection with the de-SPAC process. OPAL Fuels currently trades on Nasdaq following completion of its merger. Sign up for full data on SpacDesk to access complete filing histories, financials, and deal timelines across the SPAC universe.