Fuels and combustion. Mechanisms of formation of the main pollutants. Techniques for control of pollutants during combustion and exhaust gases treatment. Measure of pollutant concentration in gaseous streams. Second law analysis of power cycles. Analysis of processes for electric power generation by means of steam cycles, gas turbines, combined cycles: Thermodynamic and technological characteristics, design and economic aspects, performance achievable, fuels and environmental impact, off-design operations. Boilers. Heat exchangers and heat rejection to ambient (water open loop, dry cooling, cooling towers). Cogeneration: energy savings, evaluation indexes, plant technologies, operating curves, economic feasibility. Refrigerant fluid and refrigerating cycles.