"Soot Crackdown Lags as EPA Wrestles Other Deadlines" [1]
"U.S. EPA's air division has made headlines under President Obama for its push to limit greenhouse gases and toxic pollution, but the busy office is running late with new limits on asthma-inducing soot, close observers of the rulemaking process say."
Gabriel Nelson reports for Greenwire January 27, 2011. [2]
Air [3]
National (U.S.) [4]
Public [5]
Source: Greenwire [2], 01/28/2011