Which of These Is Not a Method Used by Utilities

question 41

Multiple Choice

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

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