As is the case with most of his policy stands, Donald Trump has spoken only generally about how he thinks Washington should treat energy production in the U.S., expressing strong support for the oil, natural gas and coal industries, and promising to cut funding for what he sees as excessive regulation.

But this week in North Dakota, the presumptive Republican nominee for president may reveal more about his views on promoting domestic energy, and perhaps take another shot at Saudi Arabia, the leader of the Organization of the Petroleum Exporting Countries (OPEC). (Read more)