The United States Department of Energy has provided a 36 page information package on ways to save on energy. You can view the full PDF file here, but today we will focus on a concise version of the information they have provided.
The United States Department of Energy has numerous programs designed to bring about "a prosperous future where energy is clean, abundant, reliable, and affordable." These programs include Biomass, Building Technologies, Federal Energy Management, Geothermal Technologies, Hydrogen, Fuel Cells & Infrastructure Technologies, Industrial Technologies, Solar Energy Technologies