Trump said the "whole infrastructure" of Venezuela has to be rebuilt and that American companies would be used to rebuild it.

Environmental experts are warning that the U.S. push to revamp and boost Venezuela’s vast oil reserves could worsen decades of ecological damage and increase planet-warming

President Trump pressed US energy executives but received few public pledges to quickly invest the vast sums of money needed to revive Venezuela's shattered oil industry.

In a social media post on Tuesday, Trump said Venezuela would hand over 30 to 50 million barrels of oil to the U.S., which in turn would sell them at their market price. The resulting funds -- as much as $2.8 billion at current prices -- will “benefit the people of Venezuela and the United States,” Trump said.