Since 1970, smog-forming air pollution has declined by a third to a half.    From Wordnik.com.  [Some Convenient Truths] Reference

This is equivalent to eliminating the smog-forming pollution generated by 16 million cars.    From Wordnik.com.  [CNN Transcript - Special Event: Transportation Secretary Slater, EPA Administrator Browner Testify Before House Energy Subcommittee on High Gas Prices - June 28, 2000] Reference

So there are virtually no benefits to going to hydrogen cars for reducing smog-forming emissions.    From Wordnik.com.  [Hydrogen Cars, Arnold Kling | EconLog | Library of Economics and Liberty] Reference

Unlike particulate matter and smog-forming chemicals, carbon dioxide can't be filtered or trapped.    From Wordnik.com.  [Supreme Court Takes On Global Warming?] Reference

In California, lawn mowers provided more than 2 percent of the smog-forming pollution from all engines.    From Wordnik.com.  [OpEdNews - Quicklink: A Greener Way to Cut the Grass Runs Afoul of a Powerful Lobby] Reference

In California, lawn mowers provided more than 2 percent of the smog-forming pollution from all engines. '.    From Wordnik.com.  [OpEdNews - Quicklink: A Greener Way to Cut the Grass Runs Afoul of a Powerful Lobby] Reference

"So far, power plants are not required to do anything to keep smog-forming pollution in check," Nichols said.    From Wordnik.com.  [Limit Sale of Deodorant to Save the Ozone?! | Impact Lab] Reference

In the 1960s, it was said that auto engines simply could not function without expelling smog-forming compounds.    From Wordnik.com.  [Letters to the Editor] Reference

UNIDENTIFIED FEMALE: These ports every day produce more smog-forming pollution than six million cars in the region.    From Wordnik.com.  [CNN Transcript Mar 7, 2009] Reference

Just as it did in the case of soot and smog-forming emissions, it would improve the health of Americans and save lives.    From Wordnik.com.  [Cap and Trade Will Work Well Again] Reference

This project is projected to cut annual emissions of smog-forming nitrogen oxides by about 17 tons, and particulates by 860 pounds.    From Wordnik.com.  [California tops with most air polluted cities] Reference

But this unique system gives our Natrium minivan concept vehicle a range of 300 miles, and it emits no smog-forming or greenhouse gases.    From Wordnik.com.  [DaimlerChrysler and Canada] Reference

The rules put strict limits on smog-forming or otherwise toxic emissions, including carbon monoxide, non-methane organic gases, hydrocarbons, and particulate matter.    From Wordnik.com.  [Clean diesel engines coming to a road, and track, near you] Reference

Another example involves EPA's regulations in the 1970's and 1980's to reduce emissions of smog-forming volatile organic compounds from coating and printing operations.    From Wordnik.com.  [Proposed Revisions To Air Quality Standards] Reference

With better-maintained highways, we could save as much as 236 million litres of fuel a year and make an immediate reduction in greenhouse gas and smog-forming compounds.    From Wordnik.com.  [Our Silent National Crisis: Canada's Highways at the Crossroads] Reference

Yet according to the Electric Power Research Institute, a gasoline car in New England emits six times more smog-forming gases than the power plant supplying juice for an electric.    From Wordnik.com.  [Putting A Charge Back Into Driving] Reference

These measures set limits on the amount of smog-forming emissions a fleet can produce.    From Wordnik.com.  [Purchasing - Top Stories] Reference

The new Prius produces over 70 percent fewer smog-forming emissions than the average new vehicle.    From Wordnik.com.  [WebWire | Recent Headlines] Reference

Ford doesn't mention smog-forming emissions, but they're no doubt better than on the old Crown Vics.    From Wordnik.com.  [TreeHugger] Reference

The District estimates the program has cut some 35 tons of smog-forming pollution since the spring of 2006.    From Wordnik.com.  [Edhat Santa Barbara] Reference

EPA is also setting new limits on particulate pollution and on smog-forming nitrogen oxides and sulfur dioxide.    From Wordnik.com.  [Home/News] Reference

"In metro Atlanta, more than half of smog-forming emissions of ozone come from the tailpipes of cars and trucks," Green said.    From Wordnik.com.  [Metro News | ajc.com] Reference

Federal regulators are responsible for tailpipe emissions, which account for more than half of smog-forming pollution in Houston.    From Wordnik.com.  [chron.com Chronicle] Reference

The study also concluded that powering a car on electricity would result in 93 percent less smog-forming volatile organic compounds.    From Wordnik.com.  [Summit Daily News - Top Stories] Reference

Those trips are responsible for 100 tons of smog-forming and particulate matter pollution and 47,000 tons of greenhouse gas emissions.    From Wordnik.com.  [National Business News - Local Business News | bizjournals] Reference

Critics also want the state to require the power company to consider new technology that might slash emissions of smog-forming pollution.    From Wordnik.com.  [chron.com Chronicle] Reference