Publication

Vehicle Tail Pipe Emission, a Comparison of Natural Gas and Petrol.

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A gas processing and transport system comprising a natural gas pipeline (1), a plurality of gas conditioning stations (4) connected to the natural gas pipeline between an upstream main natural gas supply and a downstream consumer end, the gas processing st ...

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Intentional oxygen oscillations on Pd/Al2O3 for enhanced methane removal from the exhaust of natural gas engines

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Natural gas (NG) is a suitable alternative to gasoline and diesel fuels to decrease the carbon footprint of the mobility and energy sectors. Although NG is considered a fossil fuel, methane (CH4), its main component, can be produced industrially from power ...

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GaSLAM: An Algorithm for Simultaneous Gas Source Localization and Gas Distribution Mapping in 3D

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Chemical gas dispersion poses considerable threat to humans, animals and the environment. The research areas of gas source localization and gas distribution mapping aim to localize the source of gas leaks and map the gas plume respectively, in order to hel ...

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Empirical investigation of the emission-macroscopic fundamental diagram

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Vehicle emissions are a major contributor of air pollution in urban areas, with severe consequences for public health and the environment. This paper focuses on analyzing vehicle emissions in a multimodal urban context to better understand its determinants ...

PERGAMON-ELSEVIER SCIENCE LTD2021

Tracing China's external driving sources and internal emission hotspots of export-driven PM10 emission

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External trade could induce extensive air pollutant emissions among partners. PM10 (particles smaller than 10 mu m) is an important pollutant that could cause various problems. Few studies have researched the spatial heterogeneity of this export-driven pol ...

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Methane oxidation over a honeycomb Pd-only three-way catalyst under static and periodic operation

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Natural gas is receiving increasing awareness as fuel for passenger vehicles due to its very low specific CO2 emissions. However, control of CH4 emissions from natural gas combustion in stoichiometric engines requires a specific three-way catalyst (TWC). T ...

Elsevier Science Bv2018

Local Arctic Air Pollution: A Neglected but Serious Problem

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Air pollution in the Arctic caused by local emission sources is a challenge that is important but often overlooked. Local Arctic air pollution can be severe and significantly exceed air quality standards,impairing public health and affecting ecosystems. Sp ...

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Understanding nitrate formation in a world with less sulfate

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SO2 emission controls, combined with modestly increasing ammonia, have been thought to generate aerosol with significantly reduced acidity for cases in which sulfate is partially substituted by nitrate. However, neither expectation agrees with decadal o ...

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Gaznat se tourne vers l’EPFL

Prof. Laloui discussed some of the major challenges facing CO2 geosequestration, a technology which could be vital in Switzerland’s transition away from nuclear as this may mean increased reliance on natural gas. Many of these challenges, such as cap rock ...

2018

CO2-mitigation options for the offshore oil and gas sector

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The offshore extraction of oil and gas is an energy-intensive process leading to the production of CO2 and methane, discharged into the atmosphere, and of chemicals, rejected into the sea. The taxation of these emissions, in Norway, has encouraged the deve ...

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