The US Environmental Protection Agency apparently plans to ask states to implement regulations it is developing to limit greenhouse gas emissions. Wyoming Gov. Dave Freudenthal has said that the state can't.In a Sept. 9 letter to the agency, Freudenthal said the Wyoming Environmental Quality Act prevents the state from regulating GHGs. "Authority to do so would require legislative action to amend the statute and any discussion on that possibility would not occur until the 2011 legislative session, long after your Jan. 2, 2011, deadline for the implementation of the tailoring rule," he said.EPA proposed the rule to address emissions from refineries and other large industrial sour...