By ’20, EPA wants tighter rule on soot to go into full effect

Posted: December 15, 2012 at 1:59 a.m.

The Environmental Protection Agency announced a new standard for soot pollution Friday, forcing industry, utilities and local governments to find ways to reduce emissions of particles linked to thousands of cases of disease and death each year, government officials said.

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Business, Pages 27 on 12/15/2012