EPA seeks new truck pollution rules; says air won't suffer
The Trump administration's Environmental Protection Agency is proposing to rewrite rules that limit pollution from heavy trucks but that the EPA says slow the economy.
Nov 13, 2018
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Germany to present plan for polluting diesel cars
The German government will Tuesday present its compromise on the way forward for millions of people with older, more polluting diesel cars, with manufacturers potentially facing a steep bill for the crisis precipitated by ...
Team uses ancient marine sediment as benchmark for present, future climate models
Researchers at Syracuse University are looking to the geologic past to make future projections about climate change.
Growing more food with less fertiliser
Researchers have found the key to increasing the rate at which maize absorbs nitrogen in the lab, a crucial step in growing higher yielding crops while using less fertiliser.
Study sheds new light on forests' response to atmospheric pollution
How forests respond to elevated nitrogen levels from atmospheric pollution is not always the same. While a forest is filtering nitrogen as expected, a higher percentage than previously seen is leaving the system again as ...
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.
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 ...
