AP sources: After tabling similar proposal, Obama to propose a stricter smog standard

Coming full circle on a campaign promise, the Obama administration will propose tightening the amount of a smog-forming pollutant in the air.
Data & News supplied by www.cloudquote.io
Stock quotes supplied by Barchart
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms and Conditions.