The US Treasury Department said on Thursday it imposed sanctions on more than 50 individuals, entities and vessels involved in facilitating Iran’s petroleum and liquefied petroleum gas (LPG) exports, in a move aimed at curbing Tehran’s energy revenues.

“The Treasury Department is degrading Iran’s cash flow by dismantling key elements of Iran’s energy export machine,” Treasury Secretary Scott Bessent said.

“Under President Trump, this administration is disrupting the regime’s ability to fund terrorist groups that threaten the United States.”

The latest measures mark the fourth round of sanctions under the US President Donald Trump’s administration targeting China-based refineries that continue to buy Iranian oil, the Treasury said.