Petroleum has been a major industry in the United States since the 1859 Pennsylvania oil rush around Titusville, Pennsylvania. Commonly characterized as...

Petroleum refining in the United States in 2013 produced 18.9 million barrels per day of refined petroleum products, more than any other country. Although...

The Strategic Petroleum Reserve (SPR) is an emergency stockpile of petroleum maintained by the United States Department of Energy (DOE). It is the largest...

The history of the petroleum industry in the United States goes back to the early 19th century, although the indigenous peoples, like many ancient societies...

Most states do not mandate certain standard gasoline grade octane ratings. In the United States and Canada, octane ratings are in AKI, commonly shown as...

United Kingdom Petroleum refining in the United Kingdom History of the petroleum industry in the United States Petroleum in the United States Pennsylvania...

list of ports of the United States, ranked by tonnage. Ports in the United States handle a wide variety of goods that are critical to the global economy...

oil and gas in the United States provides a large portion of the nation’s oil and gas supply. Large oil and gas reservoirs are found under the sea offshore...

Petroleum Corporation (often abbreviated Oxy in reference to its ticker symbol and logo) is an American company engaged in hydrocarbon exploration in...

The United States is divided into five Petroleum Administration for Defense Districts, or PADDs. These were created during World War II under the Petroleum...