Energy saving is the main pillar of each country's energy policy since it is regarded as one of the most remarkable domestic - renewable energy sources, it is directly exploitable and can be implemented in the residential, industrial and transport sectors.
The philosophy of energy saving is based on a sovereign concept. "It is best to try to find ways to rationalize energy use and reduce energy consumption, ultimately leading to a reduction in energy demand instead of generating more energy to meet the ever-increasing demand In action".
Energy savings are achieved in a variety of ways. Some of them are:
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Rational use of energy,
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Using more efficient electrical appliances,
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Using more efficient light bulbs, and
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Thermal insulation of the buildings shell