Then just do it anyway without U.S. support. Unless "U.S. support" means the U.S. was going to pay for it.
You probably should read the article.
“US Support” means Chevron (who leases the field) was going to build a pipeline to make its shareholders lots of money and Biden made it impossible for Chevron to do so, by misusing his powers under the SEC and banking regulations.
Another group of companies are in the process of pursuing the project, but it’s going to be much more difficult.