Climate Changed

California, Trump Administration on Collision Course Over Auto Rules

  • Law now gives California major role setting pollution caps
  • Conservatives want White House to limit the state’s power

EPA Chief Signals Showdown With California

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California and the Trump administration are on a collision course over auto-efficiency regulations that could lead the White House to deploy the nuclear option: revoking the state’s cherished power to set its own limits on air pollution.

Environmental Protection Agency Administrator Scott Pruitt signaled he would keep California in check as the federal government reviews fuel-economy rules. He said the state -- where automakers sell more vehicles than anywhere else in the country -- shouldn’t be allowed to play an outsize role in the process.