In its brief four-year history, Hyzon Motors has experienced far more stormy than sunny days. As it struggles to survive, the commercial fuel cell manufacturer is focusing on the U.S., where it sees hydrogen and zero-emission refuse trucks worth pursuing. Chasing the SPAC money A spinoff of Singapore-based Horizon Fuel Cell Technologies, Hyzon went public in July 2021 in a reverse merger with special purpose acquisition company Decarbonization Plus Acquisition Corp. It received $550 million in proceeds from the business combination, money long since spent. Horizon sold a lot of fuel cells in China before standing up Hyzon in 2020….