We focused more on biodiesel because it is a subject of extensive current research, and also the search for new energy alternatives to help reduce pollution caused mainly by fossil fuels make this discipline a useful tool to improve global environmental conditions. And the steady depletion of fossil fuels leads to the study and search for new energy alternatives. As we have seen, this involves a reorganization of agriculture, perhaps a change of use of land to grow corn. Soybean, palm and other crops to be used for this process. Studies indicate that many crops that replace others, eg grass and corn to produce ethanol generates an imbalance in the uptake of CO2 as the grass absorb more CO2 than corn, and this would be in the atmosphere, thus increasing its concentration, and as we know CO2 is the main accuser of so-called "greenhouse effect." As would have to choose properly the land for this purpose, and in many cases to enable land, but there is a catch, but government policies to build dams and irrigation works. One should also take into account the social economic impact, the sense of competition from products: plant products for industry or the consumer? This would create shortages, price rises and social unrest as a result. So what should be prioritized is the product for direct consumption, or minimize competition as this product.
A very good alternative presents Dr. Cristian Gomis Catalá, Spain, representative from Bio Fuel Systems (BFS), who asserts that the planting of agricultural products is not a solution to the problem or is it a short-term solution to a problem long term. The latter suggests that the solution in the micro algae, as seen hay. Biomass for biodiesel would be obtained from these micro algae to produce we must design a system where CO2 is injected in this way can reduce the concentration of CO2 in the atmosphere, this is an interesting proposition.
In our country we must thank M.Sc. Samanamud Carla Aguilar, who heads the research of micro algae, and raises the production mechanisms.
Methane hydrates also be an important energy source in the future.
Much remains to be done to improve the environment of our planet and as men become aware of it, will be surprising results.
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