History of the oil shale industry in the United States Act of 1985 which among other things abolished the United States' Synthetic Liquid Fuels Program. Union finally bowed to continued low oil prices and closed the project in 1991, rather than complete the US$2 billion project. Over several decades, some of the world's largest oil companies (Amoco, Arco, Chevron, Exxon, Gulf, Phillips, Shell, Sohio, Sunoco, Texaco, Union Oil) had spent billions of dollars to start an oil shale industry in the Green River Formation, the world's largest oil shale resource. But in the end, cheap petroleum prices drove oil shale out of business. Even after the oil shale bust, some
Agriculture in Colombia exports, which amounted to about US$525 million in 2006, are the third-largest legal agricultural export of the country, behind coffee and flowers. In 2005 Colombia was the tenth-largest producer, with 2.5 percent of the world's banana output, and the third-largest exporter, with 8 percent of the world's exports after Ecuador and Costa Rica. Output for export, mainly of the Cavendish Valery variety, is highly productive compared to international standards. The Urabá region in Antioquia and the northeast of Magdalena Department are the main areas producing bananas for export. Chiquita Brands International, Dole Food Company, and Del Monte Fresh Produce are