Oil and natural gas can be transported domestically and internationally using a variety of methods, including pipelines, tankers, and railroads. In the United States, only a small percentage of oil and gas is transported by rail, so let’s take a deeper look into pipelines and tankers.  

I. Oil and Natural-Gas Pipelines

In the United States, there is vast pipeline infrastructure that transports oil and natural gas across the country. A pipeline is categorized according to its location in...