Fuel cells are highly efficient power generating systems that produce electricity. Which of the following statements about fuel cells is false?
A) The only waste product from a fuel cell is water.
B) Fuel cells are not a good transition product from fossil fuels to renewable energy.
C) Fuel cells are efficient based on size and energy output.
D) Fuel cells can be used in automobiles, homes, and power plants.
E) Fuel cells can be used to store large amounts of energy.