Demand from China and the rest of the world ensures its impact on diplomacy and markets, but there's no question its supremacy is waning China and the rest of the world remain thirsty for oil. That ...

Oil has long been the engine that powers the world. Countries rely on it to fuel cars, planes, factories, and economies. Its ...

Oil prices fell more than 2% on Wednesday as a large build in U.S. crude and gasoline stockpiles signaled weaker demand, ...