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Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. L/2004 calibration engines. L/2004 calibration engines. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds.

Pollution 231
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CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. For a number of the most important pollutants, levels were substantially lower than required by regulations. These reductions came while emissions of fine particles were also 92% lower than the 2010 standard 99% lower than 2004 emissions.

Diesel 296
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10-year study shows how air pollution fosters heart disease; accelerated plaque build-up in arteries

Green Car Congress

Long-term exposure to particulate air pollution has been linked to an increased risk of heart disease, but the biological process has not been understood. Participant-specific pollutant concentrations averaged over the years 2000–10 ranged from 9.2–22.6 The study is published in The Lancet. and NO x between 1999 and 2012. μg PM 2.5 /m

Pollution 199
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Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

It, or a scaled-up version, could also provide a solution for the Asian motor vehicle fleet, in which two-stroke engine vehicles constitute a major share—and contribute significantly to air pollution. The lost available energy also results in poor off-design point fuel efficiency.

Engine 329
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Decrease in air pollution associated with decrease in respiratory symptoms among children

Green Car Congress

Decreases in ambient air pollution levels over the past 20 years in Southern California were associated with significant reductions in bronchitic symptoms in children with and without asthma, according to a study by researchers at the University of Southern California published in JAMA. Kiros Berhane, Ph.D., —Berhane et al.

Pollution 150
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Toyota transport wins EPA SmartWay award

Green Car Congress

The SmartWay program is designed to improve fuel efficiency and reduce greenhouse gases and air pollution from the transportation industry by researching and evaluating new ways to optimize networks. Since 2004, the 3,073 SmartWay partners across the US have saved an estimated $8.1

EPA 218
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Delphi Automotive joins US EPA SmartWay Transport Partnership

Green Car Congress

Delphi Automotive has joined the SmartWay Transport Partnership , a collaboration between the US Environmental Protection Agency (EPA) and transport industry designed to reduce greenhouse gases and air pollution.

EPA 186