New smog rule could be a surprise to some counties

New smog rule could be a surprise to some counties
http://www.charlotteobserver.com/136/story/1166129.html

"LOS ANGELES Parts of the country that haven't worried about air pollution may soon be in the fight California has faced for decades: cleaning up smog.

Stricter rules proposed Thursday by the Obama administration could more than double the number of counties across the country that are in violation of clean air standards. That would likely have a big impact on other parts of the nation since California already sets stringent standards for cars, ships and trucks."