Firefighting Demonstration Tries To Answer Burning Question About LNG

March 30, 2007 Texas - A firefighter disappears into a thick white vapor cloud and seconds later: ignition. A tongue of flame laps up from the ground at the edge of the vapor plume, chars the grass beneath and works its way toward the source -- a gurgling tempest of liquefied natural gas that seemed to know it was far from its comfort zone of minus 260 degrees Fahrenheit. The vapor vanishes into a searing wall of heat that turns the trees behind it into a wavy summer-like mirage. Spectators -- their ...