Discuss high-temperature solar energy. • Simple solar cookers can save energy. • Utilities are promoting renewable energy. • Photovoltaic cells capture solar energy. • Electrical energy is...

Discuss high-temperature solar energy.

• Simple solar cookers can save energy.

• Utilities are promoting renewable energy.

• Photovoltaic cells capture solar energy.

• Electrical energy is difficult and expensive to store.

Grasp the potential of fuel cells.

• All fuel cells have similar components.

• Several different electrolytes can be used in fuel cells.