Sentences with phrase «much oxides of nitrogen»

The high - mileage D4 direct - injection gasoline engine remains too expensive and emits too much oxides of nitrogen to meet U.S. emissions regulations.

Not exact matches

This is a matter of much concern as nitrogen oxides are greenhouse gases.
The amount of nitrous oxide in the atmosphere has quickly increased as well, with about a third of the total added by human activity — much of that emitted by nitrogen - based fertilizers, and half of that from just three nations: China, the Soviet Union, and the United States.
In fact, however, total emissions of sulfur dioxide were slightly lower in 1970 (15.8 million tons) than in 1980, and total emissions of nitrogen oxides were much lower (3.9 million tons).
And although recognized that there also has been an enormous increase of nitrogenous oxides (reactive nitrogen) in the atmosphere (molecules that can adsorb much more energy than carbon dioxide) their much lower concentrations is hardly getting any attention, when global warming is discussed.
According to the Chinese Centre for Disease Control and Prevention, the burning of coal is responsible for 70 percent of the emissions of soot that clouds out the sun in so much of China; 85 percent of sulfur dioxide, which causes acid rain and smog; and 67 percent of nitrogen oxide, a precursor to harmful ground level ozone.
Air pollution is a considerable problem in Serbia, much of it due to emissions of CO2, ash, sulphur and nitrogen oxides from coal - fired power plants and mining operations.
Much of this pollution, in the form of oxides of sulfur and nitrogen and particulate matter, is the result of coal combustion in power plants.
Even with much decreased numbers, the report says sulfur dioxide and nitrogen oxide emissions from coal power plants will «continue to take a significant toll on the health and longevity of millions of Americans.»
Widespread overuse of artificial nitrogen fertilizer, for instance, much of which is wasted in leaching and runoff, contributes to three - quarters of total US nitrous oxide emissions.
Coal Pollution is US» Single - Deadliest Form of Industrial Air Pollution Even with much decreased numbers, the report says sulphur dioxide and nitrogen oxide emissions from coal power plants will «continue to take a significant toll on the health and longevity of millions of Americans.»
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