Energy efficiency and conservation are important elements of energy planning and policy as these are aimed at the reduction in per capita energy consumption and energy demand and offsetting the increase in energy supply needed to keep up with the population growth. This strategy also reduces the rise in energy costs and the need for energy imports. The reduced energy demand can provide more flexibility in choosing the most preferred methods of energy production. Energy conservation facilitates the replacement of non-renewable resources with renewable energy. It is often the most economical...