definition of saving energy
energy saver meaning, energy saver definition | English Cobuild dictionary. energy. 1 n-uncount Energy is the ability and strength to do active physical things and the feeling that you are full of physical power and life. He was saving his energy for next week's race in Belgium...
Energy conservation refers to reducing energy consumption through using less of an energy service. Energy conservation differs from efficient energy use, which refers to using less energy for a constant service. Driving less is an example of energy conservation. Driving the same amount with a higher mileage vehicle is an example of energy efficiency.