New thermocell could harvest 'waste heat'
(Phys.org) —Harvesting waste heat from power stations and even vehicle exhaust pipes could soon provide a valuable supply of electricity.
(Phys.org) —Harvesting waste heat from power stations and even vehicle exhaust pipes could soon provide a valuable supply of electricity.
Energy & Green Tech
Jul 16, 2013
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When people are out and about, they leave plumes of chemicals behind them—from both car tailpipes and the products they put on their skin and hair. In fact, emissions of siloxane, a common ingredient in shampoos, lotions, ...
Environment
Apr 30, 2018
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793
(PhysOrg.com) -- Researchers at Northwestern University have placed nanocrystals of rock salt into lead telluride, creating a material that can harness electricity from heat-generating items such as vehicle exhaust systems, ...
Materials Science
Jan 18, 2011
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(Phys.org)—Are gasoline-fueled cars or large diesel trucks the bigger source of secondary organic aerosol (SOA), a major component of smog? UC Berkeley researchers have stepped into this debate with a new study that says ...
Environment
Oct 22, 2012
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Exhaust fumes probably come to mind when considering vehicle emissions, but they aren't the only source of pollutants released by a daily commute. In a recent Environmental Science & Technology study, researchers report that ...
Environment
May 30, 2023
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107
(PhysOrg.com) -- Researchers in America have shown that ozone -- a known pollutant at low levels in the earth's atmosphere, causing harmful effects on the respiratory system and sensitive plants -- can be reduced, on average, ...
Energy & Green Tech
Apr 19, 2011
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A new study led by Empa scientists finds that some direct-injection gasoline engines emit just as many soot particles as unfiltered diesel cars did in the past. Particle filters can remedy this.
Energy & Green Tech
May 24, 2017
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18
(PhysOrg.com) -- Tiny, ubiquitous particles in the atmosphere may play a profound role in regulating global climate. But the scientists who study these particles -- called aerosols -- have long struggled to accurately measure ...
Earth Sciences
Mar 12, 2009
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University of Manchester scientists, writing in the journal Nature Geoscience, have shown that natural emissions and manmade pollutants can both have an unexpected cooling effect on the world's climate by making clouds brighter.
Earth Sciences
May 5, 2013
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In polluted environments, diesel fumes may be reducing the availability of almost half the most common flower odours that bees use to find their food, research has found.
Ecology
Oct 19, 2015
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186