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Biden to Toughen Auto Emissions Limits to Counter Climate Change

  • Final requirements will be more stringent than first proposed
  • Standards to govern model year 2023-2026 cars and light trucks

The Biden administration is preparing to impose more stringent limits on car and truck emissions in an effort to clamp down on a top U.S. source of the greenhouse gases fueling climate change. 

The standards, set to govern passenger cars and light trucks from model years 2023 through 2026, will reverse a Trump-era move to relax the mandates and are set to be issued within days, according to three people familiar with the matter.