Jun 17, 2010 ... Since 2000, the State has achieved a 22 percent reduction in ozone and a 46  percent decrease in nitrogen oxide (NOx) emissions, compared to an 8 ... over  the State's delegated Clean Air Act Title V operating permit program.
May 26, 2014 ... Since 2000, Texas has reduced "harmful pollutants in the air like nitrogen oxide  by ... the "Texas clean air program (has) achieved a 22 percent reduction in  ozone and a 46 percent decrease in NOx (nitrogen oxide) emissions.
May 28, 2010 ... "Texas' air quality permitting program is achieving significantly cleaner air ... The  air Texans breathe today is cleaner than it was in 2000. ... a 22 percent reduction  in ozone and a 46 percent decrease in NOX emissions, compared to a 27  percent reduction in national NOX levels between 2000 and 2008.
Feb 9, 2011 ... Perry also wondered if "doomsayers have forgotten that Texas added more jobs  in 2010 ... We checked a similar statement in June after Perry issued a press  release stating that since 2000, "the Texas clean air program achieved a 22  percent reduction in ozone and a 46 percent decrease in NOx emissions.
Jun 15, 2010 ... Last month, the EPA announced it would take over Texas' federally delegated, ...  that the federal government will tolerate no divergence from its own policies. ...  the Texas clean air program achieved a 22 percent reduction in ozone and a 46  percent decrease in NOx emissions, compared to an 8 percent ...
Since 2000, "the Texas clean air program achieved a 22 percent reduction in ozone and a 46 percent decrease in NOx emissions."