在汉那西北约140公里的怀俄明高地中部,耸立着一个烟囱,有小型卡车两倍那么高。从里面喷出的火焰,比烟囱本身还高出两倍多。在晴天的夜晚,从遥远的拉腊米地区,可以看到这火焰的光芒。火焰咆哮,声裂长空,就象一架满载而正在起飞的协和式超音速运输机。这个烟囱烧去的瓦斯来自拉腊米能源研究中心(LERC)管理的实验性地下煤气化工程。这是个可 In the middle of the Wyoming Highlands, some 140 kilometers north-west of Hannah, stands a chimney, twice the size of a pickup truck. The flame that spurted from inside was twice as much as the chimney itself. On a sunny night, from the remote Laramie region, you can see the light of this flame. The roar of fire flared open, like a full-load Concorde supersonic transporter taking off. The gas burned in this chimney comes from an experimental underground coal gasification project managed by the Laramie Energy Research Center (LERC). This is OK