The European Commission, the executive body of the EU, had announced plans for tariffs of up to 38% on electric cars from China, on top of an existing 10% on all imported cars.
The restrictions require investors to notify the Treasury Department about certain kinds of transactions, and some types of investments are explicitly prohibited, for fear of enhancing China's military.
U.S. and U.K. bombing campaigns have failed to stop the attacks, and have instead led to vessels associated with the two countries being targeted more often.
Japanese Prime Minister Fumio Kishida, Tokyo has adopted a tougher stance against Moscow than any other leader in Asia, with most of them declining to take sides in the war.