Petróleo Brasileiro S.A. (Petrobras) is a Brazilian state-run energy company engaged in the exploration of oil and gas; production, refining and supply of crude and oil products; and generation of electric power using renewable energy sources. Its products include petrochemicals, biofuels, gasoline, ethanol, lubricants, oils, asphalt, fertilizers, LPG, LNG and VNG. Petrobras has 7,700 service stations, 15 refineries, 134 production platforms (77 fixed and 57 floating), 100 exploratory rigs (48 offshore), nearly 15,000 productive wells, some 34,600km of pipelines, five biofuels units, three fertilizer plants and an oil tanker fleet of 326 vessels (57 wholly owned). The company is present in 17 countries and operates 21 thermo power plants with an installed capacity of 6,136MW. Considered the world's fourth largest energy company by US consultancy PFC Energy, Petrobras is active in 12 Latin American countries, including Chile, Mexico, Peru, Colombia and Bolivia. It is currently withdrawing from the Argentine market.