Lobbying Over Tougher PM2.5 Limits Peaks Ahead Of Final Rule Release

Lobbying by states and industry groups against EPA’s forthcoming final rule to tighten a key federal limit for fine particulate matter (PM2.5) is reaching a peak ahead of the regulation’s expected release by the end of the year, while environmental and public health groups are stepping up their calls for tougher limits than EPA has proposed. Opposition to the rule comes from major industry groups, and Republican members of Congress, who warn that tightening the national ambient air quality standards...