Orange, tea tree and eucalyptus oils sweeten diesel fumes
Waste oil from orange, tea tree and eucalyptus essential oil production mixed with diesel provides a sweet-smelling biofuel blend with comparable performance to diesel-only fuel.
Jun 15, 2018
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Exploring greener approaches to nitrogen fixation
About half of the nitrogen in our bodies today comes from bacteria via the enzyme nitrogenase, which converts, or "fixes," unreactive nitrogen gas in the atmosphere into a form that plants can use for growth. The other half ...
The health effect of air pollution from traffic
What would happen if all petrol and diesel-powered vehicles were removed from a smaller European city? Up to 4% of all premature deaths could be prevented, according to a new study from Lund University in Sweden. The researchers ...
US gains in air quality are slowing down
After decades of progress in cleaning up air quality, U.S. improvements for two key air pollutants have slowed significantly in recent years, new research concludes. The unexpected finding indicates that it may be more difficult ...
Painting a clear picture of how nitrogen oxides are formed
Nitrogen oxides (NOx) are some of the most significant pollutants in our atmosphere—they contribute to the formation of smog, acid rain and ground-level ozone. Because of this, combustion researchers and engine companies ...
Toyota to stop selling diesel cars in Europe
Japanese car giant Toyota announced Monday that it will stop selling diesel cars in Europe, beginning the phase-out this year.
Daimler, VW face more recalls over emissions cheating: report
German transport authorities will next week recall thousands more Daimler and Volkswagen vehicles, Der Spiegel magazine reported Friday, as the massive emissions cheating scandal that has engulfed the sector for more than ...
New method measures rare traces of a volatile gas
The gas nitrogen monoxide (NO) belongs to the group of nitrogen oxides, infamous as toxic emissions in urban agglomerations. But NO is also produced in nature and plays a role in the nitrogen cycle, which is essential for ...
Scientists reduce harmful emissions from HPPs
A team of scientists from Siberian Federal University (SFU) and their colleagues from Novosibirsk and the Netherlands modeled the process of coal burning in HPP boilers and determined which type of fuel produced less harmful ...
Discovery about rare nitrogen molecules offers clues to makeup of other life-supporting planets
A team of scientists using a state-of-the-art UCLA instrument reports the discovery of a planetary-scale "tug-of-war" of life, deep Earth and the upper atmosphere that is expressed in atmospheric nitrogen.
