Sentences with phrase «control air pollutant emissions»

Canada is developing regulations to control air pollutant emissions under the Railway Safety Act.

Not exact matches

At power plants, combustion of coal produces a medley of air pollutants, especially in older plants that lack modern emissions control equipment.

Since short - lived species can significantly influence climate, regional air quality emission control strategies for short - lived pollutants will thus substantially impact climate over large scales, such as the Northern Hemisphere.

Much of the existing generating capacity is very old, and, due to high air pollutant emissions and tightening environmental standards, about 30 % will need to be retrofitted with environmental control technology or be replaced in the next decade.

If carbon dioxide is indeed a pollutant when present in excessive concentrations in the atmosphere — which the EPA's 2009 Endangerment Finding for carbon says that it is — then by law and by past precedent the Clean Air Act is the appropriate means for controlling all of America's own greenhouse gas emissions, regardless of their source.

75 Greenhouse gases would become «regulated air pollutants» the moment any EPA regulation controlling greenhouse gas emissions from motor vehicles took effect.

Canada; long - range transport; air pollutants; acid deposition; North America; sources - receptors; negotiation; cost; emissions; cost functions; SO2; cost curves; control technologies; Integrated Assessment Modelling; USA

Burning renewable fuels, such as ethanol, can reduce air pollutant emissions, but critics argue that gasoline blended with too much ethanol can interfere with emissions control systems in some automobiles and actually lead to higher emissions.

Some major sources of hazardous air pollutants such as the Deer Park chemical manufacturing in Houston, TX (a subsidiary of OxyChem), could increase its emissions of hazardous air pollutants from 0.64 to nearly 25 tons per year if it stops using MACT to control emissions.

Dentener, F., D. Stevenson, J. Cofala, R. Mechler, M. Amann, P. Bergamaschi, F. Raes, and R. Derwent, 2004: The impact of air pollutant and methane emission controls on tropospheric ozone and radiative forcing: CTM calculations for the period 1990 - 2030.