According to information given in the passage, which of the following statements presents the most accurate comparison of an average ton of coal from Wyoming with an average ton of coal from the Appalachian range in West Virginia?

A. The former is cheaper and has higher sulfur content than the latter.

B. The latter is found closer to the surface and contains more sulfur than the former.

C. The former can help coal-burning power plants meet limits on sulfur dioxide emissions and costs more than the latter.

D. The latter generates more energy per pound of coal than the former.

E. The former is found closer to the surface than the latter and helps coal-burnning power plants meet limits on sulfur dioxide emissions.