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Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

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The air in the United States and Western Europe is much cleaner than even a decade ago. Despite these successes, sulfate levels in the atmosphere have declined more slowly than sulfur dioxide emissions, especially in wintertime. This does not mean that the emissions reductions aren't working.

Pollution 221
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Iveco Group chooses HTWO (Hyundai) fuel cell systems for the next generation of hydrogen buses in Europe

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Such air drawn into the FCEV passes through an air purification system that cleans it of particulates and other unwanted matter, leaving the air cleaner. This is necessary for keeping the fuel cell stack from pollutants. (4) 4) Thermal Management System.

Hydrogen 435
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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. A key control strategy is to reduce emissions of the limiting reagent.

Pollution 223
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EEA: 3/4 of EU urban population exposed to toxic air as governments fail to cut emissions

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Most Europeans living in cities are still breathing air that is dangerous to their health, according to the European Environment Agency (EEA) in a new report ; governments are not doing enough to cut toxic emissions at source, campaigners warn. How many wake up calls do government officials need to take on air pollution?

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EEA report finds more action needed to protect Europe’s most vulnerable citizens from air pollution, noise and extreme temperatures

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A new report from the European Environment Agency (EEA) warns that the health of Europe’s most vulnerable citizens remains disproportionately affected by environmental hazards such as air and noise pollution and extreme temperatures, especially in Europe’s eastern and southern regions, despite overall improvements in Europe’s environmental quality.

Pollution 265
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Study: countries seeking to cut CO2 emissions must get a handle on city-level emissions

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Countries seeking to meet Paris Agreement targets on CO 2 emissions must get a grip on the amount of pollution produced at city level, according to a new open-access study published in S cience Advances by an international team of researchers from Europe and China. Total CO 2 emissions of 182 Chinese cities. Shan et al.

Emissions 210
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European Parliament approves phase-out of time-based road charging with switch to tolls; reduced charges for low- and zero-emission vehicles

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The aim of the new rules is to move road charging from the current time-based model to distance-based or an actual kilometers-driven system, to better reflect the polluter-pays and user-pays principles. They will also have to reduce considerably the charges for zero- or low-emission vehicles. Source: EC.

Charging 322