Energy4Me
Energy4me: Energy Sources of the World [Ppt]
Learn about the many different energy resources available from our Earth. Find out the pros and cons of each type: both renewable and nonrenewable.
US Department of Energy
U.s. Department of Energy: Fuel Cell Technologies Program: Fuel Cell Animation
A series of animated illustrations show how a polymer electrolyte membrane fuel cell works. PEM fuel cells are the most common type used in flex-fuel vehicles.