A water fueled engine, which purifies, heats and cracks water into its constituent elements in gaseous form, stores the hydrogen and oxygen separately under pressure, feeds the hydrogen to a combustion engine where it is reacted in the presence of atmospheric air, transferring the heat generated from the reaction to a water heater and torque energy to a drive shaft; an after burner that further reacts the exhaust process of the combustion engine in the presence of more atmospheric air and oxygen from the cracking process, and a turbine that drives a battery connected alternator for powering a control unit for the system, which controls all system components to ensure on demand operation.