Energy Efficiency Ways to increase energy efficiency in the home, including advice on whether to purchase energy-efficient appliances and products. Utility Consumers' Bill of Rights Specific rights and responsibilities of DC utility consumers. Efficient Home Appliances Shopping strategies for buying energy-saving appliances. Washing Machines A how-to guide for choosing the most energy efficient washing machine. Energy Efficient Light Bulbs Types of energy-saving lightbulbs, and understanding wattage issues. ENERGY STAR Qualified Products A guide to more than 40 types of products that save money, use less energy, and are better for the environment.