Biden s tailpipe emissions rules are at risk. Here s why
![](https://images.fastcompany.com/image/upload/w_1280,q_auto,f_auto,fl_lossy/wp-cms-2/2024/07/2024-07-01T101830Z_2_LYNXMPEK600O7_RTROPTP_4_USA.jpg)
A U.S. Supreme Court decision limiting federal regulatory powers to interpret ambiguous laws could undermine President Joe Biden s effort to cut tailpipe emissions from the nation s vehicle fleet, two environmental law attorneys told Reuters.
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