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Environment

Trucks Hit Record 20.4 MPG, EPA Says; Carmakers Are Ahead Of Emissions Standards

By Bill Chappell
Published December 16, 2015 at 2:42 PM EST
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Bill Chappell
Bill Chappell is a writer and editor on the News Desk in the heart of NPR's newsroom in Washington, D.C.
See stories by Bill Chappell