Abstract: In an engine powered vehicle having a generator, a storage battery, and a refrigerated compartment having a refrigerated cooling coil, a compressor is connected to the cooling coil, the condensor is connected to the compressor. A refrigerant expansion means is connected to the compressor and to the cooling coil. In one embodiment a second compressor is operatively connected to the vehicle engine; in another a second condensor is connected to the second compressor, and in another the refrigeration system includes a third compressor connected in parallel with the first compressor and the second compressor. A second condensor, a second means to expand refrigerant, and a second cooling coil is connected with the third compressor to refrigerate two separate compartments. Each embodiment preferably has a control to operate the systems relative to the refrigeration demand of the system.