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Insight into benzene formation could help development of cleaner combustion engines

Green Car Congress

That insight could also help the car industry make cleaner combustion engines. The industrial processes behind crude oil refineries and the inner-workings of gas-powered combustion engines can emit PAHs, which can form into toxic air pollutants such as soot. Zhao et al.

Cleaner 243
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Sandia team uses new approach with large data set to gain insights into chemistry of ignition and pollution formation

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Research led by Sandia National Laboratories has resulted in new insights about how to understand and ultimately to control the chemistry of ignition behavior and pollutant formation. The discovery eventually will lead to cleaner, more efficient internal combustion engines. Conceptional hierarchical data structure and work flow.

Pollution 170
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Hydrogen Opposed Piston Engine Working Group formed

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Several organizations, encompassing companies, research labs, and academia, have formed the Hydrogen Opposed Piston Engine Working Group. The Working Group consists of members undertaking research and development in the field of hydrogen combustion in an opposed-piston engine. The only criteria emission of concern is NO x.

Hydrogen 353
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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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Nevertheless, it is important to say that a gentle BEV driver, with the benefit of regenerative braking, can more than cancel out the tire wear emissions from the additional weight of their vehicle, to achieve lower tire wear than an internal combustion engine vehicle driven badly. —Emissions Analytics.

Exhaust 539
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Sandia researchers use Direct Numerical Simulations to enhance combustion efficiency and reduce pollution in diesel engines; cool flames

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Sandia National Laboratories mechanical engineer Jackie Chen and colleagues Alex Krisman and Giulio Borghesi recently identified novel behavior of a key, temperature-dependent feature of the ignition process called a cool flame in the fuel dimethyl ether. The insights gleaned will contribute to more efficient, cleaner burning engines.

Diesel 150
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UC Riverside team examines influence of mid-and high-level ethanol blends on pollution from GDI flex fuel vehicle

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Overall, this study provides valuable insights on the impacts of ethanol content and gasoline composition on the exhaust emissions from a current technology GDI FFV. Their paper is published in the ACS journal Energy & Fuels. Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. —Yang et al.

Pollution 255
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Berkeley Lab researchers launch projects to apply AI to optimize traffic and reduce pollution

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The traffic-smoothing project, dubbed CIRCLES, or Congestion Impact Reduction via CAV-in-the-loop Lagrangian Energy Smoothing, is led by Berkeley Lab researcher Alexandre Bayen, who is also is a professor of electrical engineering and computer science at UC Berkeley and director of UC Berkeley’s Institute of Transportation Studies.

Pollution 207