TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred System: The system additionally comprises a first condensate drain to remove condensate from (AIC) at a location between the first heat exchanger and the fuel cell anode inlet, and a second condensate drain to remove condensate from (CIC) at a location between the second heat exchanger and the fuel cell cathode inlet. The coolant system additionally comprises a radiator adapted to remove heat from the coolant. The fuel cell comprises a fuel cell stack. The fuel cell has an operating temperature greater than or less than a first temperature of the flow of (a) at a location in (AIC) between the first heat exchange surface and the anode inlet of the fuel cell. The fuel cell has an operating temperature greater than or less than a second temperature of the flow of (b) at a location in (CIC) between the second heat exchange surface and the cathode inlet of the fuel cell. The flow of (a) at the fuel cell anode inlet or (b) at the fuel cell cathode inlet both has a relative humidity greater than 95 (preferably 98)%. The flow of (a) at a location in (AIC) between the first heat exchange surface and the anode inlet of the fuel cell has a first dew point temperature, the flow of (b) at a location in (CIC) between the second heat exchange surface and the cathode inlet of the fuel cell has a second dew point temperature, and the fuel cell has an operating temperature within 5 degrees C of each of the first and second dew point temperatures. The fuel cell comprises a polymer electrolyte membrane and the flow of (a) comprises reformate. The flow of (b) comprises air, and (CIC) is connected to an outlet of a cathode gas humidifier.Preferred Method: The method additionally involves flowing the first condensate from the oxidant flow or flowing the second condensate from the fuel flow to a condensate reservoir, heating the oxidant flow prior to cooling the oxidant flow, combining the oxidant flow with water vapor prior to cooling the oxidant flow, and transferring heat from the fuel flow or the oxidant flow to a coolant flow. The fuel cell has an operating temperature, the fuel flow has a fuel temperature, the oxidant flow has an oxidant temperature, and the coolant flow has a coolant temperature.