Sulfur is formed as a byproduct of oil refining and natural gas processing. Sulfur’s natural state is a solid, but it is most easily handled in a liquid, or molten, state. Sulfur is can be transported via rail and semi tankers, but a high temperature must be maintained in order to sustain sulfur’s liquid state. Sulfur is present in a wide range of industries and consumer goods. It is most commonly used to make sulfuric acid and various fertilizers for commercial applications. Sulfur can also be used as an additive to rubbers, polymers, and foods.