(US5976724-A)      A fuel cell power plant (I) comprises:    (a) a fuel cell including anode and cathode sections;    (b) an electrochemical auto-thermal reformer including a reforming region, a mixed ion conductor membrane or metal or alloy membrane and an anode supply region separated from the reformer region by the membrane; and    (c) an anode gas loop for circulating a mixture including hydrogen and a carrier gas between the anode section and the anode supply region.    Also claimed is a plant as (I) and further including:    (a) means for exhausting and burning excess hydrogen from the reformer region;    (b) means for feeding hydrogen fuel to the reformer region; and    (c) means for controlling the fuel feed responsive to the burning means.    USE -   Used within a power plant.    ADVANTAGE -   The invention provides pure hydrogen from a hydrocarbon fuel to a fuel cell.    (EP998762-A1)      A fuel cell power plant (I) comprises:    (a) a fuel cell including anode and cathode sections;    (b) an electrochemical auto-thermal reformer including a reforming region, a mixed ion conductor membrane or metal or alloy membrane and an anode supply region separated from the reformer region by the membrane; and    (c) an anode gas loop for circulating a mixture including hydrogen and a carrier gas between the anode section and the anode supply region.    Also claimed is a plant as (I) and further including:    (a) means for exhausting and burning excess hydrogen from the reformer region;    (b) means for feeding hydrogen fuel to the reformer region; and    (c) means for controlling the fuel feed responsive to the burning means.    USE -   Used within a power plant.    ADVANTAGE -   The invention provides pure hydrogen from a hydrocarbon fuel to a fuel cell.    (TW385568-A)      A fuel cell power plant (I) comprises:    (a) a fuel cell including anode and cathode sections;    (b) an electrochemical auto-thermal reformer including a reforming region, a mixed ion conductor membrane or metal or alloy membrane and an anode supply region separated from the reformer region by the membrane; and    (c) an anode gas loop for circulating a mixture including hydrogen and a carrier gas between the anode section and the anode supply region.    Also claimed is a plant as (I) and further including:    (a) means for exhausting and burning excess hydrogen from the reformer region;    (b) means for feeding hydrogen fuel to the reformer region; and    (c) means for controlling the fuel feed responsive to the burning means.    USE -   Used within a power plant.    ADVANTAGE -   The invention provides pure hydrogen from a hydrocarbon fuel to a fuel cell.    (CN1264500-A)      A fuel cell power plant (I) comprises:    (a) a fuel cell including anode and cathode sections;    (b) an electrochemical auto-thermal reformer including a reforming region, a mixed ion conductor membrane or metal or alloy membrane and an anode supply region separated from the reformer region by the membrane; and    (c) an anode gas loop for circulating a mixture including hydrogen and a carrier gas between the anode section and the anode supply region.    Also claimed is a plant as (I) and further including:    (a) means for exhausting and burning excess hydrogen from the reformer region;    (b) means for feeding hydrogen fuel to the reformer region; and    (c) means for controlling the fuel feed responsive to the burning means.    USE -   Used within a power plant.    ADVANTAGE -   The invention provides pure hydrogen from a hydrocarbon fuel to a fuel cell.