The United States unveiled further export controls Wednesday on advanced computing semiconductors, increasing due diligence requirements for businesses as it seeks to prevent diversion of tech to China despite existing restrictions.

Beijing on Wednesday said it "firmly opposes" a United States move to effectively bar Chinese technology from smart cars in the American market, saying alleged risks to national security were "without any factual basis".

The moves are part of the Biden administration’s last-gasp efforts to clamp down on China’s harnessing of AI for its military and tech sector.

Biden's final foreign policy featured harsh rhetoric on China, as Washington embraces tough-on-China policies.

The new rules will take effect in 120 days, said Commerce Secretary Gina Raimondo, giving the incoming administration of President-elect Donald Trump time to potentially make

A bipartisan group of lawmakers called on the Biden administration to consider restricting the export of U.S. biotechnology to the Chinese military, citing concerns Beijing could weaponize it to create more toxic pathogens.

Beijing on Wednesday said it "firmly opposes" a US move to effectively bar Chinese technology from smart cars in the American market, saying alleged risks to national security were "without any factual basis".

President Joe Biden's outgoing administration finalized rules effectively banning all Chinese- and Russian-connected vehicle tech from American roads—a landmark crackdown with far-reaching effects, not least on the rising trade of inexpensive Chinese EVs.

Commerce Secretary Gina Raimondo says Donald Trump is a president-elect who for all of his aggressive talk is afraid to let America compete with the rest of the world, responding instead with tariffs and curtailing immigration.

The United States finalized a rule on Tuesday effectively barring Chinese technology from cars in the American market, taking aim at software and hardware from the world's second-biggest economy over national security risks.

In an apparent move to dictate to its successor how to handle China relations, the Joe Biden administration has markedly intensified its China-targeted measures during its last week in office.

The world's major powers are locked into an artificial intelligence arms race. But new rules announced by the White House on Monday seek to guarantee American supremacy in that race.