Getting rid of old cars is helping clean the skies over developed nations, but many clunkers are ending up in developing countries where they are add significantly to air pollution, a UN report warns.
Environment
Oct 27, 2020
0
4
Replacing the expensive metals that break down exhaust gases in catalytic converters with cheaper, more effective materials is a top priority for scientists, for both economic and environmental reasons. Catalysts are required ...
Nanophysics
Jun 22, 2020
0
161
As the lives of millions of people worldwide were disrupted by social distancing measures to combat the COVID-19 pandemic in early 2020, an unexpected piece of good news surfaced: levels of air pollution in major cities had ...
Materials Science
Apr 23, 2020
0
8
Tiny extracts of a precious metal used widely in industry could play a vital role in new cancer therapies.
Bio & Medicine
Sep 9, 2019
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40
Modern cars rely on catalytic converters to remove carbon monoxide, hydrocarbons and other harmful chemicals from exhaust emissions.
Analytical Chemistry
Aug 14, 2019
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9
Scientists are excited by the prospect of stripping catalysts down to single atoms. Attached by the millions to a supporting surface, they could offer the ultimate in speed and specificity.
Materials Science
Apr 24, 2019
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60
German authorities have identified hundreds of trucks "manipulated" to save their operators money by shutting off exhaust treatment systems, saying many more cheating vehicles could be at large on Europe's roads.
Automotive
Apr 2, 2019
1
6
Russian chemists from NUST MISIS have developed a new hybrid catalyst for carbon monoxide oxidation consisting of hexagonal boron nitride and silver nanoparticles. This material makes it possible to get a full conversion ...
Materials Science
Dec 12, 2018
0
4
By studying materials down to the atomic level, researchers at Chalmers University of Technology, Sweden, have found a way to make catalysts more efficient and environmentally friendly. The results have been published in ...
Nanophysics
Oct 10, 2018
0
154
Chemical engineers at Rice University and Pennsylvania State University have shown that combining machine learning and quantum chemistry can save time and expense in designing new catalysts.
Materials Science
Jul 2, 2018
0
178
