Prof. Dr. Freddy Jesus Rojas is a full-time teacher (DTC) at the Faculty of Mechanical Engineering, Pontificia Universidad Católica del Perú, Lima, Peru. He received a Ph.D. in Engineering and Environmental Sciences at the National Agrarian University La Molina and a Master of Science in Engineering and Mechanical Engineer at the Pontifical Catholic University of Chile, Santiago, Chile. He is a Member of the Technical Committee for Standardization of Industrial Boilers, Gas Heaters, and Liquefied Natural Gas, an External consultant for INNOVATE, CONCYTEC, INACAL projects, and a Consultant on Combustion, Fire, Thermal Energy Efficiency, Liquefied Petroleum Gas Projects, Natural Gas, and the Environment.