http://www.politifact.com/texas/statements/2010/jun/16/rick-perry/perry-state-has-cut-ozone-22-nitrogen-oxide-emissi/So how does Perry's statement hold up?
The governor accurately cites recent improvements in the state's ozone levels. As for the NOx emissions contributing to ozone levels, his statistic refers to only one source -- industrial -- which he did not note. Nearly three-quarters comes from other sources.
Whether the state gets the credit for those improvements is another issue. Even if TCEQ is responsible for the drop in industrial NOx emissions, federal efforts -- namely vehicle emission regulations -- also have helped lower ozone levels. Significantly, the state's ozone-related programs exist to help Texas comply with federal expectations.
We rate Perry's statement as Half True.
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