Describes what solar energy is and how it works and provides detailed instructions for fifty projects utilizing it, including a solar death ray, furnace, water purifier, and robot.[...]
A fun and environmentally-aware project book focusing on fuel cells--technologies that generate electrical power whose only waste output is water. Includes concepts important to fuel cell technology, how to build a simple fuel cell, and why the hydrogen economy will be penetrating everyone's life du[...]
This cutting-edge, heavily illustrated guide shows you how to convert your car to run on vegetable oil or biofuel for a much more environmentally-friendly ride.[...]