It comes after Reuters reported that EU nations were discussing a proposal to release diesel reserves following pressure from the Trump administration.
Ties between the U.S. and India have been under strain for over a year, and New Delhi faces fresh risk of up to 100% tariffs for continuing to buy Russian oil.
The U.S. announced plans for up to $200 billion in South Korean investment, though Seoul has yet to finalize the participation in the Alaska LNG project.