Light sweet crude is a type of oil that is low in sulfur and has a high API gravity. It is considered to be a premium grade of oil and is often used to make gasoline and other refined products.
There are a number of reasons why someone might want to buy light sweet crude. First, it is a relatively clean-burning fuel, which means that it produces fewer emissions than other types of oil. Second, it is a relatively light oil, which means that it is easier to transport and refine. Third, light sweet crude is often in high demand, which means that it can be sold for a higher price.