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Top 4 Energy Department Inventions Saving You Energy & Money at Home

Learn how the Energy Department is helping lay the foundation for more efficient homes by developing energy-saving technologies.

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Energy-Saving Buildings and Manufacturing
The Energy Department's efforts to develop and deploy energy efficient solutions for buildings and manufacturing supply lines means large-scale energy and cost savings for all Americans.
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How Much Do You Spend?
Ever wonder how much you spend on energy a year? We're breaking down the numbers for you.
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Every year, much of the energy the U.S. consumes is wasted through transmission, heat loss and inefficient technology -- costing American families and businesses money, and leading to increased carbon pollution.

Energy efficiency is one of the easiest and most cost effective ways to combat climate change, clean the air we breathe, improve the competitiveness of our businesses and reduce energy costs for consumers. The Department of Energy is working with universities, businesses and the National Labs to develop new, energy-efficient technologies while boosting the efficiency of current technologies on the market. 

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Subtopics

Vehicles
The Energy Department works to develop transportation technologies that will reduce our dependence on foreign oil.
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Commercial Buildings
Learn how the Energy Department is helping businesses, nonprofits and local governments reduce energy use through energy efficiency and renewable e...
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Manufacturing
Learn how the Energy Department is helping to make America's manufacturers more competitive in the global marketplace.
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Solar Decathlon
The Energy Department's Solar Decathlon challenges collegiate teams to design, build and operate solar-powered houses that are cost effective, ener...
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Energy Efficiency Programs

Save money and energy at home. Learn ways to save energy and use clean, renewable energy technologies at home.
The Office of Energy Efficiency and Renewable Energy (EERE) strengthens U.S. energy security, environmental quality, and economic vitality.
ARPA-E projects have the potential to radically improve U.S. economic security, national security, and environmental well-being.