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Study finds coal trains add significant amount of PM2.5 pollution in urban areas

Green Car Congress

Coal trains and terminal operations add a significant amount of fine particulate matter (PM 2.5 ) pollution to urban areas—more so than other freight or passenger trains— according to a study conducted in Richmond, California, by the University of California, Davis. Empty coal cars tended to add 2 µg/m 3.

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New study puts air-pollution related deaths in India in 2019 at 1.67 million

Green Car Congress

Air pollution in India resulted 1.67 million deaths in 2019—the largest pollution-related death toll in any country in the world—and also accounted for $36.8 The 2019 death toll attributed to air pollution in India accounted for 17.8% Pollution takes an enormous human toll in India. It is causing 1.67

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Surrey study investigates effect of group cycling on exposure to pollutants

Green Car Congress

In an open access paper in the Journal of Wind Engineering and Industrial Aerodynamics , researchers at the University of Surrey (UK) have investigated the effect of group riding on cyclists’ exposure to vehicle pollutants. —Schmeer et al. With more wind, riding towards the back of the group can be a good strategy to minimize exposure.

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Study: plant roadside hedges rather than trees to combat near-road pollution

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Urban planners should plant hedges—or a combination of trees with hedges—rather than just relying on roadside trees if they are most effectively to reduce pollution exposure from cars in near-road environments, according to a new study from the University of Surrey.

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Swiss study finds that studies on air pollution that ignore impact of noise overestimate effects of pollution on heart attacks

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Air pollution and transportation noise are both associated with an increased risk of heart attacks. However, studies on air pollution which do not take into account traffic noise tend to overestimate the long-term effect of air pollution on heart attacks, according to a study conducted by the Swiss Tropical and Public Health Institute.

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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). Gasoline vehicles were tested as they represent the majority of new passenger cars sold today.

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Yale study finds asphalt a significant source of air pollution, especially on hot, sunny days

Green Car Congress

A new study now finds that asphalt is a significant source of air pollutants in urban areas, especially on hot and sunny days. Yale researchers found that common road and roofing asphalts produced complex mixtures of organic compounds, including hazardous pollutants, in a range of typical temperature and solar conditions.

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