Sweden helps SKorea convert food waste into biogas
(AP) -- The South Korean city of Ulsan lets water generated from processing food waste run off into the ocean, which can generate methane gas harmful to the environment.
(AP) -- The South Korean city of Ulsan lets water generated from processing food waste run off into the ocean, which can generate methane gas harmful to the environment.
Energy & Green Tech
May 21, 2009
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