CONSOL Energy Inc. (NYSE:CNX) is a vertically integrated coal and natural gas producer. Its main revenues come from the sale of these two fuels to energy generators and metal producers in the Northeast United States. Primarily, CONSOL mines coal or extracts natural gas from land that it owns, processes it for sale, and then ships it to customers using its transport network.
CNX is the U.S.'s fifth largest producer of coal, the primary fuel used to produce electricity.Coal Power accounts for 49% of U.S. electricity production, and roughly 40% of world electricity. CNX's Northern Appalachian coal has the advantage of burning hotter than other coal, but it also contains more sulfur - until recently a big disadvantage for CNX. However, recent environmental legislation requires coal plants to install "scrubbers" to clean sulfur out of exaust from burning coal, muting the disadvantages of Northern Appalachian coal and allowing CNX to charge higher prices.(Read more at Wikinvest )