Trump Administration Challenges California And Automakers On Fuel Economy The Trump administration says only the federal government can set tailpipe emissions standards. It's the latest move in a months long stand-off over efforts to weaken a key Obama-era climate rule. The Trump administration says only the federal government can set tailpipe emissions standards. It's the latest move in a months long stand-off over efforts to weaken a key Obama-era climate rule. Business
The Trump administration says only the federal government can set tailpipe emissions standards. It's the latest move in a months long stand-off over efforts to weaken a key Obama-era climate rule.
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