Energy Efficiency Increases in energy prices lead many individuals to look at purchasing energy-efficient computers and devices. Energy-efficient models often look and perform similarly to equivalent computers or devices that use more energy. Do This: Find two computers or devices of identical configuration, where the only difference is energy consumption. How much energy does the energyefficient model save? Are energy-efficient computers and devices more or less expensive? Will the difference in cost (if any) affect your purchasing decision? How else might you be able to change your settings on your existing computer or device to save energy? Use the web to locate articles that recommend energy-efficient products and that provide tips about additional ways to save energy.