Royal Dutch Shell plc operates as an energy and petrochemical company worldwide. The company operates through Integrated Gas, Upstream, and Downstream segments. It explores for, and extracts crude oil, natural gas, and natural gas liquids; markets and transports oil and gas; produces gas-to-liquids fuels and other products; and operates upstream and midstream infrastructure necessary to deliver gas to market. The company also markets and trades natural gas, LNG, crude oil, electricity, carbon-emission rights; and markets and sells liquefied natural gas as a fuel for heavy-duty vehicles and marine vessels. In addition, it trades in and refines crude oil and other feed stocks, such as gasoline, diesel, heating oil, aviation fuel, marine fuel, biofuel, lubricants, bitumen, and sulphur; produces and sells petrochemicals; and manages oil sands activities. Further, the company produces base chemicals comprising ethylene, propylene, and aromatics, as well as intermediate chemicals, such as styrene monomer, propylene oxide, solvents, detergent alcohols, ethylene oxide, and ethylene glycol. Royal Dutch Shell plc was founded in 1907 and is headquartered in The Hague, the Netherlands.