Hyzon Motors Inc. (Nasdaq: HYZN) is a hydrogen fuel cell commercial vehicle manufacturer that entered public markets in 2021 through a business combination with Decarbonization Plus Acquisition Corporation III, a blank-check company sponsored by Riverstone Holdings. The company filed its S-1 registration statement on July 30, 2021, in connection with that merger. Hyzon focused on developing and supplying hydrogen-powered heavy-duty trucks and buses for commercial fleets across North American and European markets. Following its listing, the company faced accounting restatements and regulatory scrutiny from the SEC, and it subsequently entered Chapter 11 bankruptcy proceedings in late 2024. For complete filing history, sponsor details, and deal data on HYZN and hundreds of other SPAC transactions, sign up for full access at SpacDesk.