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Energy planning through optimization techniques is not a new concept, although different new models have been proposed and used over the last 30 years. Top down versus bottom up models have been analyzed to characterize the studied context, according to the final scopes. Improvements have been added while making (i) the models bigger and (ii) more complicated to catch more details and to understand...
A brief history of the Brazilian ethanol industry and its success is presented, such as, today the ethanol consumption for car's fuel supply is higher, cheaper and very much cleaner than the gasoline fuel. In continuation, some of the fallacious myths against the Brazilian sugarcane ethanol are refuted. The evolution of the Brazilian ethanol power industry is showed. Brazil has a potential of, at...
In response to the escalating energy crisis and related pollution problems verified worldwide, it is essential to assume new energy technologies that use renewable energy sources in an efficient and environmentally friendly manner. Accordingly, biomass appears as a renewable, clean, and widely available source. This paper focuses in biogas production from livestock manure by using anaerobic digesters...
The fight against climate change and the high import dependency on fossil fuels has led the European Union (EU) to a reinforced renewable energy strategy. Primary aims till 2020 are to reduce CO2-emissions about 20%, to increase the share of renewable energies to 20%, to improve the energy efficiency about 20% and to use about 10% of biofuels. In order to fulfil these ambitious targets especially...
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