The National Association of Manufacturers appears to have a source within the Bush administration regarding EPA's upcoming smog decision.
The EPA proposal is under review by the White House Office of Management and Budget.
On its blog, NAM reports that "According to Administration sources, the current draft includes discussion of a more stringent range from 0.075 ppm to 0.070 ppm."
NAM notes that it "continues to educate key Administration officials about the necessity of offering the current standard as a regulatory option on which to comment during the upcoming rulemaking."
NAM also posted a mini-debate between its spokesman and Clean Air Watch on CNBC: