The U.S. Environmental Protection Agency (EPA), which is forcing Americans to spend billions of dollars per year to address ozone air quality, is actually making the situation worse.

State regulators have resisted replacing their inspection programs with on-road testing, yetthere is no other means to more substantial, rapid, or inexpensive improvements in air quality.

A funny thing happens on weekends in most cities. Nitrogen oxide emissions go down by 10 to 40 percent, but ozone smog levels stay the same or rise.

Dispelling the myths and illuminating the facts concerning the ground-level ozone issue.

What can we make of a new study on the effects of climate change on future air pollution?

Acloser look at the data reveals that high ozone levels are found to be occurring on weekends, when emissions of nitrogen oxides are often 40 percent lower than weekdays.

Is the Union of Concerned Scientists misleading the public when it comes to air pollution and air quality?

It's no surprise that the Sierra Club fails to discuss positive air pollution trends and the problems with its policy prescriptions, and ignores people's lifestyle preferences.