What Happens If Trump Rolls Back Fuel Emissions Standards

Dialing Back On U.S. Emissions Standards
In this June 22, 2015 file photo, a Buick Verano is assembled at General Motors' Orion Assembly plant in Orion Township, Mich. (Carlos Osorio/AP)
Dialing Back On U.S. Emissions Standards
In this June 22, 2015 file photo, a Buick Verano is assembled at General Motors' Orion Assembly plant in Orion Township, Mich. (Carlos Osorio/AP)

What Happens If Trump Rolls Back Fuel Emissions Standards

NPR auto reporter Sonari Glinton talks about what would happen if the Obama-era rules went out the window, and if it’s even possible to roll many of them back.