What to Know About the E.V. Tax Credit That Trump Might Repeal

Rules for a $7,500 tax break for electric vehicle purchases and leases recently changed, but more far-reaching changes are expected when President-elect Donald J. Trump takes office.

FDA Moves Forward With Last-Minute Push to Cut Nicotine Levels in Cigarettes

In the final days of the Biden administration, the F.D.A. is moving ahead with a proposal to require companies to produce a less addictive product for traditional smokers.

Oil Tycoon Harold Hamm Throwing an Inauguration Day Party

Harold G. Hamm, the founder of the Oklahoma-based Continental Resources, and other oil and gas companies stand to profit from Donald Trump’s energy policies.

Biden Administration Adopts Rules to Guide A.I.’s Global Spread

New rules aim to keep advanced technology out of China and to ensure that cutting-edge artificial intelligence is developed by the United States and its allies.

Inside Elon Musk’s Plan for DOGE to Slash Government Costs

Mr. Musk has turned to Silicon Valley to help recruit executives who will take up unofficial positions across the federal government.

Trump and Republicans Cannot Stop Electric Vehicles, Experts Say

More car buyers are expected to eventually pick battery-powered cars and trucks as prices fall and technology improves, even if Biden-era incentives disappear.

4 Takeaways From the Arguments Before the Supreme Court in the TikTok Case

The justices, who asked tough questions of both sides, showed skepticism toward arguments by lawyers for TikTok and its users.

Trump Chose 8 Economic Experts Who Will Defend Tariffs and Lower Taxes

President-elect Donald J. Trump has moved beyond the team-of-rivals approach from his first term and chosen economic aides who will defend tariffs and tax cuts.

Biden Administration Moves to Ban Medical Debt From Credit Reports

The future of the new rule remains in question, however, with President-elect Donald J. Trump set to return to the White House this month.

Fed’s Vice Chair to Step Down From Role as Top Bank Supervisor

Michael Barr oversaw an attempt to rewrite financial regulations that came under attack from a wide range of groups, including banks, lawmakers and even some of his colleagues.