Saudi Aramco leads in market cap at $1.61 trillion, distinct from others like ExxonMobil and Chevron. ExxonMobil and Chevron focus on both traditional and renewable energy sources. PetroChina and ...
Venezuela shows how optionality in tantalum and niobium—not scale—could reduce US exposure to highly concentrated, geopolitically fragile supply chains. The US intervention in Venezuela brought a ...
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