Biden to Toughen Auto Emissions Limits to Counter Climate Change

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.

Responding to pressure from environmentalists and public health advocates, the final requirements also will be tougher than an initial proposal outlined by the Biden administration earlier ...