The US isn’t a member of OPEC, a cartel that’s anathema to the free-market capitalism of the world’s biggest economy. Yet presidents have long pressured its top producer Saudi Arabia to adjust oil production policies, usually to lower gasoline prices. US President Donald Trump has abandoned quiet leverage for loud protest, tweeting last month: “Oil prices are too high. OPEC is at it again. Not good!”
What does Trump want from OPEC?
Lower gasoline prices as Americans head into the summer driving season. Average pump prices in the US are up 13 per cent this year, rising above

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