In 1999, the Clinton Environmental Protection Agency released a report required by the 1990 amendments to the Clean Air Act which estimated the economic benefits of the legislation to be $170 billion in 2010. Sounds believable. Fast forward to last week, the Obama EPA released their own report on the economic benefits of the Clean Air Act in 2020. Total CAA benefits according to the Obama the EPA: $2 trillion. A more than 1000% increase.

Did the Clean Air Act get 1000% better in just 10 years? Or did the EPA just get 1000% more political under President Barack Obama? The Heritage Foundation’s Diane Katz investigates.

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