soot en EPA sets tighter standards for soot pollution <div><p><span id="_oneup" style="font-size: 13px;">On Friday, the Environmental Protection Agency (EPA) proposed new air quality standards to lower the amount of <font color="red">soot</font> allowed from diesel trucks, buses, power plants and other sources.</span></p><p><span id="_oneup" style="font-size: 13px;">The long-delayed rule responds to a court order that required the Obama administration to update air quality standards under the Clean Air Act. </span></p> Mon, 18 Jun 2012 13:47:29 +0000 The Associated Press & Laura Paskus 14327 at