The 5 of March Energetics is celebrated anywhere in the world the Day of the Efficiency, a date to reflect on the habits of the citizens against the sustainable and rational use of the energy and the commitment of companies, institutions and governments with the reduction of gas discharges of greenhouse effect. This day has its origins in 1998 in Austria, soothes of the first international conference of Efficiency Energetics where more than 350 experts and leaders of 50 countries they discussed strategies to face the energy crisis and to approach possible solutions. During this day in numerous forums and organisms one works and it discusses as they are the best ways to live better and to continue with our present system of life reducing the power consumption in all the scopes, without for that reason losing quality, productivity and comfort. This year comes marked by the approval in the congress from the new project star of Rodriguez Zapatero, the first draft of the Law of Sustainable Economy that feels the bases for a new power model been becoming in the security of provision, the economic efficiency and the respect to the environment, determining the objectives of power saving for the Administration. The Government incorporates to the legal ordering measured that allows us to fulfill the commitments contracted with the European Union for year 2020 consisting of trimming the carbon dioxide emissions (CO2) in a 20%, to improve the efficiency energetics in another 20% and that 20% of the energy that consumes come from renewable sources. In order to achieve these Spain objectives he must realise a concerted effort working in the development of technologies, efficient products and services in the fields with potential major of energy saving, fomenting responsible habits, that do possible a smaller power consumption, improving the competitiveness of the companies and the quality of personal life.