U.S. EPA tightens soot standards for first time in decade
By Valerie Volcovici WASHINGTON (Reuters) – The U.S. Environmental Protection Agency on Friday said it would tighten national air quality standards for fine particle pollution for the first time since 2012, a move that could lead to tougher limits on tailpipe and smokestack emissions. Fine particulate matter, or soot, comes from sources ranging from power …
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