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SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

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Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. —SwRI Research Engineer Bryan Zavala, a member of the low NO x development team. g/hp-hr NO x emissions).

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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

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A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)

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Surrey study investigates effect of group cycling on exposure to pollutants

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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.

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Wärtsilä to supply methanol-fueled auxiliary engines for six CMA CGM newbuild container vessels

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Wärtsilä will supply methanol-fueled auxiliary engines for the French shipping company CMA CGM. The engines have been ordered for six 15,000 TEU container vessels which are being built at the Dalian Shipbuilding yard in China. The order was booked by Wärtsilä in Q2 2023.

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ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

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A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Tire wear particles pollute the environment, the air we breathe, the water run-off from roads and has compounding effects on waterways and agriculture.

Pollution 243
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EPA to evaluate whether lead emissions from piston-engine aircraft endanger human health and welfare

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The US Environmental Protection Agency (EPA) will evaluate whether emissions from piston-engine aircraft operating on leaded fuel contribute to air pollution that endangers public health and welfare. The agency plans to issue a proposal for public review and comment in 2022 and take final action in 2023.

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CARB approves new requirements to further reduce air pollution from Transport Refrigeration Units

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The 2022 amendments will require a variety of actions designed to reduce the pollution these units produce, and accelerate their transition to zero-emission technologies. road engines. 50 horsepower engines. The new requirements include the transition of diesel-powered truck TRUs to zero?emission;

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