The nerd’s guide to Biden’s tailpipe pollution rule

By Alex Guillén | 03/20/2024 01:36 PM EDT

What you need to know about EPA’s rule that will accelerate the electric vehicle transition.

Sunglass-wearing Joe Biden drives a vehicle with hand on chin.

President Joe Biden test drives an electric Ford F-150 Lightning in Dearborn, Michigan, in 2021. Nicholas Kamm/AFP via Getty Images

The Biden administration took one of its biggest steps yet to combat climate change, issuing rules Wednesday to ratchet down tailpipe emissions limits for cars, trucks and SUVs and turbocharge the adoption of electric vehicles.

EPA estimated that under this rule, 68 percent of new cars sold in 2032 will be electric vehicles — surpassing along the way the president’s goal of 50 percent electric vehicle sales by the end of the decade.

Here’s what you need to know about the 1,181-page rule.


It is — and in fact, it’s one of the biggest climate actions in U.S. history.