How Does Using Hydrogen as the Fuel in an Electric

Multiple Choice

How does using hydrogen as the fuel in an electric power plant compare with using hydrogen as the fuel in a fuel cell?

A) H₂ used as a fuel in a power plant must be more pure than the H₂ used in a fuel cell.
B) Burning H₂ in a power plant produces many more pollutants than using H₂ in a fuel cell.
C) A fuel cell using hydrogen operates at a higher overall efficiency than would a power plant burning hydrogen as a fuel.
D) Using H₂ in a fuel cell generates far more heat than burning it in a power plant.