Royal Dutch Shell plc operates as an independent oil and gas company worldwide. The company explores for and extracts crude oil, natural gas, and natural gas liquids. It also converts natural gas to liquids to provide fuels and other products; markets and trades natural gas; extracts bitumen from mined oil sands and converts it to synthetic crude oil; and generates electricity from wind energy. In addition, the company is engaged in manufacturing, supplying, and shipping crude oil; selling fuels, lubricants, bitumen, and liquefied petroleum gas (LPG) for home, transport, and industrial use; converting crude oil into a range of refined products, including gasoline, diesel, heating oil, aviation fuel, marine fuel, lubricants, bitumen, sulphur, and LPG; producing and marketing petrochemicals, such as the raw materials for plastics, coatings, and detergents for industrial customers; and alternative energy business. Further, it trades hydrocarbons and other energy-related products; governs the marketing and trading of gas and power; provides shipping services; and 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. The company holds interests in approximately 30 refineries; 1,500 storage tanks; and 150 distribution facilities. It sells differentiated fuels under the Shell V-Power brand. Royal Dutch Shell plc is headquartered in The Hague, the Netherlands.