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Energy Efficiency: Cleaner, Faster, Cheaper To produce the energy that powers America, we depend on a dangerous and expensive mixture of fossil fuels and nuclear power. But for nearly all the thousands of ways we use energy, we have the technology to use less – reducing pollution and lowering our energy bills. Energy efficiency is a source of energy like coal, gas, or nuclear – except instead of drilling for the energy using derricks and mines, we can tap into this clean energy source by using ingenuity to do more with the energy we generate. In every home, office, and factory we can use energy more efficiently by putting to work currently available products like advanced lighting and windows that better insulate from the heat and cold. Click on the pictures below where you see this icon for energy-saving tips. Homes Offices Factories Streets & Highways Tips to save energy Find out more about how you can simply and easily save energy in your home. Bedroom and Factory photos courtesy National Renewable Energy Laboratory. Office photo courtesy Jaime Vives Piqueres. Street photo courtesy FreeFoto. All photos used with permission. Up to Top HOME | Email Signup | About Us | Contact Us | Terms of Use | © 2008 Sierra Club