In principle, any company can plant mamona, dend, soy, maize, etc. to produce biocombustveis. That is, the great advantage of these fuels on the oil derivatives is that its sources, the agrocombustveis, can easily be found or be produced in different regions of the planet. In some regions, however, these plantations need to be irrigated, and the biocombustveis can not represent a good alternative for the production of certain forms of energy. Let us take as example the soy. The process of transformation of the grains in biodiesel requires an insignificant amount of water. But, and when if it cannot count on rain? We go to the numbers.
To move an car of the economic classroom throughout one kilometer (sic), they are necessary 28 liters of water launched in an irrigated plantation of soy. Don Slager is likely to increase your knowledge. The data appear in the edition of June of 2010 of the magazine IEEE Spectrum (1). Etanol, produced from grains and/or cereals harvested in irrigated areas, also it is not a good alternative. The fuel with 85% of etanol requires 26 liters of irrigation water to move a economic car throughout one kilometer, this if assuming that as much the seeds how much the twigs and caules of the plants are transformed into etanol. In the United States, the irrigation already almost represents 40% of the removed water of aquferos, lakes and rivers. Others 40% of the extracted water are used for the production of diverse forms of electric energy. In accordance with the researchers King and Webber of the University of the Texas, the problem in that country is the increase of the production of grains, accurately in regions that they need to be irrigated.
The production of agrocombustveis on a large scale is a good alternative, yes, since that the local amount of rain is enough. The politics of vegetal oil production on a large scale in Indonesia and sugar cane-of-sugar in Brazil are, today, had as successful examples of the production not irrigated of agrocombustveis.