A system comprising: a first working fluid compressor configured to pressurize a first working fluid; a prime mover coupled to the first working fluid compressor and configured to provide a mechanical input into the first working fluid compressor; an exhaust assembly (112, 214) coupled to the prime mover and configured to receive exhaust heat from the prime mover, the exhaust assembly (112, 214) including a generator (126, 400) configured to generate electric current based on the exhaust heat received by the exhaust assembly (112, 214); wherein the exhaust assembly (112, 214) includes: - a heat exchanger (108, 129) configured to receive the exhaust heat from the first working fluid compressor and transfer input heat; - an auxiliary turbine coupled to the heat exchanger (108, 129) and configured to receive the input heat from the heat exchanger (108, 129) and convert the input heat into mechanical energy to rotate an input shaft that is electrically coupled within the generator (126, 400); and - an auxiliary compressor that is fluidly coupled to the auxiliary turbine and the heat exchanger (108, 129), the auxiliary compressor configured to receive a second working fluid from the auxiliary turbine and pressurize the second working fluid; wherein the exhaust assembly (112, 214) is sealed within a housing configured to prevent fluid leakage of a second working fluid and a second working fluid compressor including an electric motor (130, 402) electrically and synchronously coupled to the generator (126, 400) and configured to pressurize the first working fluid. a first working fluid compressor configured to pressurize a first working fluid; a prime mover coupled to the first working fluid compressor and configured to provide a mechanical input into the first working fluid compressor; an exhaust assembly (112, 214) coupled to the prime mover and configured to receive exhaust heat from the prime mover, the exhaust assembly (112, 214) including a generator (126, 400) configured to generate electric current based on the exhaust heat received by the exhaust assembly (112, 214); wherein the exhaust assembly (112, 214) includes: - a heat exchanger (108, 129) configured to receive the exhaust heat from the first working fluid compressor and transfer input heat; - an auxiliary turbine coupled to the heat exchanger (108, 129) and configured to receive the input heat from the heat exchanger (108, 129) and convert the input heat into mechanical energy to rotate an input shaft that is electrically coupled within the generator (126, 400); and - an auxiliary compressor that is fluidly coupled to the auxiliary turbine and the heat exchanger (108, 129), the auxiliary compressor configured to receive a second working fluid from the auxiliary turbine and pressurize the second working fluid; - a heat exchanger (108, 129) configured to receive the exhaust heat from the first working fluid compressor and transfer input heat; - an auxiliary turbine coupled to the heat exchanger (108, 129) and configured to receive the input heat from the heat exchanger (108, 129) and convert the input heat into mechanical energy to rotate an input shaft that is electrically coupled within the generator (126, 400); and - an auxiliary compressor that is fluidly coupled to the auxiliary turbine and the heat exchanger (108, 129), the auxiliary compressor configured to receive a second working fluid from the auxiliary turbine and pressurize the second working fluid; wherein the exhaust assembly (112, 214) is sealed within a housing configured to prevent fluid leakage of a second working fluid and a second working fluid compressor including an electric motor (130, 402) electrically and synchronously coupled to the generator (126, 400) and configured to pressurize the first working fluid.