 NEW YORK, Oct. 1, 2021 PRNewswire -- WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of Hyzon Motors Inc. fka Decarbonization Plus Acquisition Corporation NASDAQ: HYZN, HYZNW, DCRB, DCRBW, DCRBU between February 9, 2021 and September 27, 2021, inclusive the Class Period. A class action lawsuit has already been filed. 