Nieuwland Photography/Shutterstock Swiss giant Vitol is by some distance the world’s most successful energy trader, with net profits over the past two years far exceeding $10 billion.Vitol is spending some of that windfall on new downstream oil and gas assets in Europe and Asia and expanding its renewables portfolio.The company is also a canny investor and has a knack for buying and selling assets at the right time, especially in the US. Save for later Print Download Share LinkedIn Twitter The Issue