Which of these is not a method used by utilities to reduce sulfur dioxide emissions?
A) Burning low-sulfur coal
B) Crushing and washing coal to remove sulfur
C) Burning coal at high temperatures to break down sulfur
D) Employing flue gas scrubbers in smokestacks, which traps sulfur dioxide
E) Encouraging and implementing conservation and efficiency programs for customers

Question

Quizplus · Accepted Answer

Burning coal at high temperatures actually increases the amount of sulfur dioxide emissions, so it is not a method used by utilities to reduce sulfur dioxide emissions. Options A, B, and D are all methods commonly employed to reduce sulfur dioxide emissions, while option E is a strategy to reduce overall electricity demand, which can indirectly lead to lower sulfur dioxide emissions.

Which of These Is Not a Method Used by Utilities