"… oxides. A set of amendments to the Clean Air Act in 1977 encouraged use of pollution control equipment over so-called dispersion techniques – building tall smokestacks that wo …"

"… ore quickly.The 1977 amendments to the Clean Air Act encouraged the use of pollution control equipment, like scrubbers and control measures, in place of dispersion techniques. A …"

"… issions more than combustion controls alone.FAST FACT: The installation of pollution control equipment is expensive. A study by Massachusetts Institute of Technology found that …"

"… s. The company admitted incorrectly operating or completely bypassing some pollution control equipment. A company vice president and a manager have also pleaded guilty and face …"

"… essee plant created false logs detailing how the company was operating air pollution control equipment. In court, the company admitted it broke the law but said it takes environ …"

"… outlined in its permit, has followed air pollution rules and is upgrading pollution control equipment as part of a major plant improvement project, some of which is scheduled t …"

"… issions under a narrow set of circumstances – for example, when cleaning pollution control equipment.GPC seemed to clean its pollution control equipment often, state records s …"

"… example, when cleaning pollution control equipment.GPC seemed to clean its pollution control equipment often, state records show. Each quarter, the company submitted a lengthy r …"

"… at one way to significantly cut pollution at the plant would be to hook up pollution control equipment the company already owns. In 2007, the company bought a large building kno …"

"… nificant expansions or modifications, they must install the best available pollution control equipment and analyze the potential effects on the nearby community’s air.In both …"

"… r, the company and regulators have been going back and forth — adjusting pollution control equipment, scheduling further tests, then canceling them — but GPC has yet to prov …"

"… s to spend about $100 million to upgrade much of the plant, including some pollution control equipment. Some of the work is scheduled to be finished in 2014. But state regulator …"

"… industries, including polymers and fibers, ranching, minerals, process and pollution control equipment, and fertilizers, as well as refining and chemicals and commodity trading …"

"… icant expansions should trigger rules requiring refiners to install better pollution control equipment.Some advocates contend, however, that companies are underestimating the pr …"

"… ther things, the company said it would spend an additional $400 million on pollution control equipment.“This facility’s expansion is really the poster child for what’s wro …"