News tagged with nitrogen oxide emissions
Researchers develop method to fingerprint air pollution
A team of researchers from the University of Pittsburgh and the Electric Power Research Institute (EPRI) collected emissions samples from several power plant stacks in the United States and developed a unique method for detecting ...
Apr 20, 2012 |
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Diesel technologies drastically cut emissions under real-world conditions
New research from North Carolina State University shows that federal requirements governing diesel engines of new tractor trailer trucks have resulted in major cuts in emissions of particulate matter (PM) and nitrogen oxides ...
Apr 16, 2012 |
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Clean soot particle filters
The soot particle filters found on diesel vehicles are designed to ensure that no harmful particles make their way through the exhaust pipe. Often, though, the exhaust from newer-model engines is not hot enough ...
Oct 05, 2011 |
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Earth is having a bad acid trip, study finds
Earth may be overdosing on acid - not the "turn on, tune in, drop out" kind, but the "kill fish, kill coral, kill crops" kind. And it's shaping up to be a very bad trip.
Oct 03, 2011 |
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Cleaner vehicle standards good for health, agriculture, climate
A new analysis, published this week and conducted by a team of scientists led by Drew Shindell of NASA's Goddard Institute for Space Studies (GISS) in New York City, shows stricter vehicle emission standards ...
Apr 04, 2011 |
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Study: Emissions trading doesn't cause pollution 'hot spots'
Programs that allow facilities to buy and sell emission allowances have been popular and effective since they were introduced in the U.S. two decades ago. But critics worry the approach can create heavily polluted "hot spots" ...
Mar 30, 2011 |
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Can biochar help suppress greenhouse gases?
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide ...
Mar 18, 2011 |
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China sets goals to reduce emissions of pollutants
(AP) -- China said Friday it would cut emissions this year by rejecting construction projects that pollute too much and developing new technologies that curb greenhouse gases.
Jan 14, 2011 |
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Scientists find new farming method to reduce greenhouse gases, increase farm yields
U.S. agricultural practices create 58 percent of nitrous oxide in the world, which is the third most prevalent greenhouse gas in the atmosphere. Scientists believe nitrous oxide contributes to global warming about 300 times ...
Jan 13, 2011 |
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China to rein in dioxin emissions to help air quality
China has said it aims to cut the intensity of dioxin emissions in key industries by 10 percent by 2015, as part of efforts by the world's top polluter to tackle ever-worsening air quality.
Nov 09, 2010 |
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Could air travel be linked to deaths on ground?
The atmosphere is full of natural and man-made chemicals, including emissions from fuel combustion and byproducts of living organisms. Many of these chemicals combine in the atmosphere to form tiny solid and ...
Sep 28, 2010 |
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New method for infrared remote sensing to analyze traffic pollution
Scientists at Universidad Carlos III de Madrid, Spain, are testing infrared remote sensing technology to evaluate the pollutant emissions associated with motor vehicle traffic which allows for analysis of ...
Sep 07, 2010 |
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Engineers use rocket science to make wastewater treatment sustainable
Within the sludge of wastewater treatment plants is an invisible world teeming with microbes. Here, diverse species of bacteria convert solid and liquid wastes into gases, some of which contribute to global ...
Jul 26, 2010 |
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Advanced engine-control system reduces biodiesel fuel consumption and emissions
Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when ...
Technology / Energy & Green Tech
Jan 25, 2010 |
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German researchers demonstrate diesel truck engine with barely measurable emissions
Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...
Dec 07, 2009 |
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