News tagged with nitrogen oxides

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Paving slabs that clean the air

The concentrations of toxic nitrogen oxide that are present in German cities regularly exceed the maximum permitted levels. That’s now about to change, as innovative paving slabs that will help protect the ...

dateAug 11, 2010 in Environment
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Is biochar the answer for ag?

Scientists demonstrate that biochar, a type charcoal applied to soils in order to capture and store carbon, can reduce emissions of nitrous oxide, a potent greenhouse gas, and inorganic nitrogen runoff from agriculture settings. ...

dateAug 02, 2010 in Environment
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Fly the eco-friendly skies

In what could set the stage for a fundamental shift in commercial aviation, an MIT-led team has designed a green airplane that is estimated to use 70 percent less fuel than current planes while also reducing ...

dateMay 17, 2010 in Engineering
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The new sky

Less noise, less exhaust, less refuse -- air travel of the future is expected to be quieter, cleaner and more environmentally friendly. To achieve this goal, new structural concepts and aerodynamic profiles ...

dateMay 10, 2010 in Engineering
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Studying Fertilizers to Cut Greenhouse Gases

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists have found that using alternative types of fertilizers can cut back on greenhouse gas emissions, at least in one part of the country. They are ...

dateNov 18, 2009 in Ecology
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