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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Green Car Congress

A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Platt et al. Click to enlarge.

Pollution 362
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

Green Car Congress

About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution 360
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Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

Green Car Congress

A study led by researchers at UC Berkeley has found that diesel exhaust forms about seven times more secondary organic aerosols (SOA) than gasoline exhaust for the same mass of unburned fuel emissions and, given emission factors, can be expected to form 15 times more SOA than gasoline per liter of fuel burned. Gentner et al. Earlier post.).

Diesel 281
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Emissions of Air Pollutants down in EU-27

Green Car Congress

The European Community’s air pollutant emission inventory report released by the European Environment Agency finds that in 2007, sulphur oxides (SO x ) emissions were down by 72 % from 1990 levels. EU-27 emissions of all four pollutants were lower in 2007 than in 2006.

Pollution 236
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EEA says industrial air pollution cost Europe up to €169 billion in 2009; some 37% attributed to CO2

Green Car Congress

Aggregated damage costs by pollutant. Air pollution from the 10,000 largest polluting facilities in Europe cost citizens between €102–169 billion (US$135–224 billion) in 2009, according to a new report from the European Environment Agency (EEA) which analyzed the costs of harm to health and the environment caused by air pollution.

Pollution 268
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Canadian study finds commuters may be exposed to increased levels of traffic-related pollution

Green Car Congress

A study by researchers led by a team from the Air Health Science Division of Health Canada (the Federal department responsible for helping Canadians maintain and improve their health) finds that commuters may be exposed to increased levels of traffic-related air pollution owing to close proximity to traffic-emissions. In-vehicle PM 2.5

Pollution 271
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Study finds that California clean diesel programs have slashed black carbon, a powerful short-term contributor to global warming

Green Car Congress

California’s air quality programs have forced a reduction in black carbon despite a significant increase in diesel fuel consumption. If California’s efforts in reducing black carbon can be replicated globally, we can slow down global warming in the coming decades by about 15 percent, in addition to protecting people’s lives.

Carbon 268