Analysis of the energy and environmental situation and the use of biofuels worldwide

The manuscript examines the historical interaction between economic and energydevelopment, highlighting its impact on the environment. The importance of energyefficiency and the good use of natural resources are emphasized as solutions toreduce the demand for energy worldwide and the emissions of polluting agents intothe atmosphere. An analysis is made and the decrease in fossil fuel reserves and theincrease in the generation of renewable energy, especially biofuels, are reflected.The cases of Cuba, China, Japan, Mexico, Russia and Zambia are analyzed in terms ofenergy matrices, dependence on fossil fuels and advances in renewable sources,stressing the use of biofuels. The role of biofuels in the energy transition ishighlighted and the question is raised about their feasibility to face currentchallenges.Keywords: biofuels,