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Materias / palabras clave: Popular culture; Colombia; Radio broadcasting; History; Boyacá; Radio in community development; Cultura popular; Emisiones radiales; Historia; Radio en el desarrollo comunitario

En las últimas décadas se ha escrito y discutido mucho sobre el cambio climático, sus causas y la forma de hacer frente a sus consecuencias. Sin embargo, hay una pregunta que no siempre ocupa el lugar que merece en lo...

"This thesis evaluates the technical, economic and environmental performance of a hydrogen fueled hybrid bus, which uses an internal combustion engine as a power unit. Results are compared to those of a conventional dies...

"The high emissions of greenhouse gases and the impact generated on the environment by human behavior during the last few years has led many governments to decide to promote the use of electric cars for passenger transpo...

"The transportation sector has become one of the most important sources of greenhouse gases (GHG) emissions and energy consumption in the world, and such emissions have impact in the global warming. For that reason, gove...

"The aim of this project is to study the use of energy surplus from local renewable sources at isolated places in Argentina, to produce electrolytical hydrogen as clean fuel for electricity generation. Furthermore, the h...