In the booming market for super cooled natural supercooled most precious commodity is the ship.  A global quest for cleaner energy has fired up demand for liquefied natural gas (LNG), which produces less carbon dioxide than coal. But an abundance of supply has helped keep prices subdued, meaning the most profitable trade is in renting out vessels to transport it. Reflecting the white-hot demand for ships, over a dozen different companies, including energy majors BP and ExxonMobil, trading house Trafigura and gas utility Centrica are already looking to charter boats for the winter, according to four shipping industry sources, months earlier than usual. ExxonMobil, Centrica and Trafigura declined to comment. BP did not respond to requests for comment. […]