Trump says U.S. oil companies are eager to get involved.

The US president wants American energy firms to start extracting the crude but they are reluctant.

The United States is suddenly positioning itself not just as the world's largest oil producer, but as a potential gatekeeper of the planet's biggest reserves. By moving aggressively into Venezuela ...

Venezuela has the world’s largest oil reserves—but history, costs, and political risk raise questions about whether U.S. oil companies are ready to invest. Venezuela has the world’s largest oil ...

Venezuela has the world’s largest oil reserves—but history, costs, and political risk raise questions about whether U.S. oil companies are ready to invest. Tapping into Venezuela’s oil reserves has ...