The intense political pressure and complexity around power plant carbon dioxide regulations has slowed the process for putting power plant regulations in place. (michiganradio.org)
This industry has more experience with carbon dioxide regulation than any other. (grist.org)
President Obama has had to resort to executive steps on climate change, like writing new carbon dioxide regulations, because the path to even modest legislative solutions (as on so many other issues) is blocked by the inevitability of filibusters under the the 60 - vote supermajority in the Senate. (dotearth.blogs.nytimes.com)