Oil: The Invisible Hand Behind Everyday Prices You probably don’t think about oil until it hits your wallet.The price at the petrol pump rises, and suddenly everyone’s talking about “global crude.” But oil is far more than a fuel issue. It quietly decides how much food costs, how fast the rupee falls, and even how the government manages its finances. It’s strange, isn’t it? A barrel of crude in the Gulf of Mexico can end up deciding how much you pay for groceries in India. An