Word: relying
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Dates: during 1970-1979
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...might at first glance seem worrisome to environmentalists because electric utilities have long argued that no existing technology can clean coal smoke. But the Environmental Protection Agency points to two recent studies showing that pollution-abatement devices now in use can remove toxic gases from smokestack emissions reli° ably and effectively. In any > case, says Michael McClos-8 key, executive director of the Sierra Club, "the limiting factor is not scrubbers, but whether we can produce sufficient coal supplies...