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California Approves World's Toughest Smog Rules

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California Approves World's Toughest Smog Rules

Environment

California Approves World's Toughest Smog Rules

California Approves World's Toughest Smog Rules

  • Download
  • <iframe src="https://www.npr.org/player/embed/3936287/3936288" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

California air regulators on Friday unanimously approve the world's most ambitious rules to reduce car emissions that contribute to global warming. The decision could have a major influence on how car makers worldwide build cars. NPR's Michele Norris reports.