Amy Scott

Environment and politics professor Dana R. Fisher at American University is not convinced.

She says regardless of the EPA's new policy, human harm is still happening.

She says regardless of the EPA's new policy, human harm is still happening.

More planet warming emissions makes more extreme weather like worsening fires, floods and heat waves.

More planet warming emissions makes more extreme weather like worsening fires, floods and heat waves.

She says she doesn't want to put a dollar amount on that.

She says she doesn't want to put a dollar amount on that.

But even if we only focus on transportation, there are hidden costs to the cheaper cars, too.

But even if we only focus on transportation, there are hidden costs to the cheaper cars, too.

UCLA environmental law professor Ann Carlson is the former acting administrator of the National Highway Traffic Safety Administration.

UCLA environmental law professor Ann Carlson is the former acting administrator of the National Highway Traffic Safety Administration.

Which means higher gasoline costs.

Which means higher gasoline costs.

On top of that, the cheaper cars might not come at all.

On top of that, the cheaper cars might not come at all.

Akshay Jha teaches economics and public policy at Carnegie Mellon University and says companies are facing what he calls regulatory whiplash.

Akshay Jha teaches economics and public policy at Carnegie Mellon University and says companies are facing what he calls regulatory whiplash.

Same goes for power plants, Jha says, especially since new clean energy is cheaper anyway.

Same goes for power plants, Jha says, especially since new clean energy is cheaper anyway.

Because by removing regulations, you create uncertainty.