Business News Global oil vaults to 4-year high as producers rebuff Trump's demand to keep crude prices low September 24, 2018 johorbiznet Johor News Global oil vaults to 4-year high as producers rebuff Trump’s demand to keep crude prices low MarketWatch Oil jumps 2% as market tightens, more gains seen The Star Online Oil at four-year high after Opec rebuffs Donald Trump Business Day Full coverage Source: Business News Feed