Why Was the Clean Air Act Amended in 1990

question 57

Multiple Choice

Why was the Clean Air Act amended in 1990?

• A) to reduce sulfur dioxide emissions from electric power plants to half of 1980 levels
• B) so flat fees for excessive pollution could be determined by the federal government
• C) to reduce sulfur dioxide emission through command-and-control regulations
• D) to reduce sulfur dioxide emissions from electric power plants to half of 1970 levels