| http://www.w3.org/ns/prov#value | - Because such plants get rid of an environmental problem, they qualify as a type of alternative energy under a new state law requiring that by 2020, 18 percent of electricity sold in the state must come from such sources. (See box.) Some environmentalists were aghast that the word coal appeared in the same legislation with solar panels, windmills and other sources considered more eco-friendly.
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