1. Proposal of a Colombian refrigeration potential map based on solar powered absorption cooling systems.- 2. Evaluation of Univariate Time-Series Models for Short-Term Solar Energy Forecasting.- 3. Carbon-based perovskite solar cells: The future photovoltaic technology.- 4. Design and instrumentation of a batch type bioreactor for the organic fraction fermentation of urban solid waste.- 5. Design of Combustion Equipment for Residual Biomass at Laboratory Scale.- 6. Towards the Hydrogen Economy in Paraguay: end-uses of green hydrogen potential.- 7. Analysis of Two-Dimensional Airfoils Models as Harvesters of Energy.- 8. Environmental and ecotoxicological impact of alternative energies: An Improvement’s opportunity for Latin America.- 9. Design and Implementation of a web-based Residential Energy Assessment Platform: A Case Study in Cuenca-Ecuador.- 10. Analysis and Evaluation of Energy Efficiency in Buildings based on Building Information Modeling.- 11. Strategies to reduce energy curtailment in a power system with high penetration of renewable energy, case of study San Cristobal - Galapagos.- 12. Energy and economical study of different renewable energy technologies for domestic hot water production under the climatic conditions of the main cities in Ecuador.- 13. Impact of the Biodiesel blend (B20) strategy “Club de Biotanqueo” (Biofueling Club) on the social-economic and environmental aspects in Medellín, Colombia.<div><br></div>