WASHINGTON — The Biden administration introduced a draft regulation that would ban automakers in the U.S. from selling vehicles with important components and software from China and Russia.

WASHINGTON — Overshadowed by the tailpipe emissions rule, the Department of Energy finalized changes to a calculation that could impact automakers’ ability to sell gas-powered vehicles.

The Biden administration is expected to soften proposed regulations meant to sharply curb vehicle emissions and promote EVs, two sources familiar with the situation told The Detroit News.