1. Energy Sources All photos courtesy of the U.S. DOE National Renewable Energy Laboratory Photographic Information eXchange http://www.nrel.gov/data/pix/ and FreeClipartNow.com copyright © 2008 Clarkson University

2. Coal-fired Power Plant Coal mining Coal pile Air pollution

3. Off-shore oil extraction, the Alaska pipeline and an oil refinery

4. Glowing nuclear reactor, power plant and waste storage facility (concrete tanks)

5. Solar Photovoltaic Panels  electricity

6. Solar thermal – hot water, electricity

7. Houses with solar PV electricity systems

8. Small and large-scale hydroelectric

9. Large-scale Wind Turbines  electricity

10. Home-scale wind turbine

11. Geothermal geyser, well head and power plant

12. Biomass – wood chips and combustion facilities  heat and power

13. Soybeans from a field of soybean plants made into biodiesel can provide fuel for this vehicle