MOUNT PLEASANT, Pa.--(BUSINESS WIRE)--WATT Fuel Cell ("WATTâ€), a developer and manufacturer of advanced solid oxide fuel cell systems, today announced the closing of its latest equity financing round, supported by both existing and new investors. The financing provides WATT with additional execution capital to expand its team, increase production capacity, and advance customer deployments, including its previously announced agreement with Hope Gas for WATT HOMEâ"¢ residential fuel cell systems. T. ...