The U.S.-Venezuela oil deal announced on August 28 is about many things, but immediately lowering prices for crude oil and gas at the pump is not among them.

“This is real and being discussed at the highest levels of the U.S. and Venezuelan governments,” one of the sources said.

Official says deal would let US buy oil at cost from firm formed to tap South American country's vast reserves, which Caracas opened to investors after Washington captured Maduro