71.   It is fed by pockets of methane gas trapped in air pockets in the mountain of garbage.

72.   Its high-tech plant is largely fueled by methane gas captured in underground pipes from garbage fumes at the Chattanooga landfill.

73.   Methane hydrate looks a lot like ice, a crystal structure of methane gas surrounded by water molecules.

74.   Methane gas exploded in a mine in the eastern Ukrainian city of Donetsk, killing five miners, the Emergency Situations Ministry said Wednesday.

75.   Methane gas killed five people cleaning the sewer system in a village in southern Russian, the ITAR-Tass news agency said Saturday.

76.   Methane gas was suspected as the cause of the blast.

77.   Mining folklore tells of the practice of bringing canaries into mines to detect deadly methane gas.

78.   Nine miners died last Sunday in an explosion thought to have been caused by a buildup of methane gas, ITAR-Tass said.

79.   Police said an apparent buildup of methane gas caused the blast.

80.   Sexton said that should improve once more methane gas is drawn out and fresh air is pumped in.