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Use of larger amounts of copper in motors and transformers makes them more efficient because of the high electric conductivity of this material.
This week is Sustainable Energy Week, hosted in Brussels and this year centered on energy efficiency and saving.
The measure consists in making energy certificates compulsory in large buildings of the tertiary sector, e.g. private or public office buildings.
The draft of upcoming Law of Energy Efficiency and Renewable Energies envises a tax on CO2 emissions derived form natural gas and petrol consumption.