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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.

Engine 368
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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. g/hp-hr NO x emissions). g/hp-hr NO x emissions).

Engine 545
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CARB and truck and engine manufacturers announce partnership to meet climate and emission reduction goals

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The terms of the Clean Truck Partnership include: CARB will align with EPA’s 2027 regulations for NO x emissions. CARB also will modify elements of the 2024 NO x emission regulations for which manufacturers will provide offsets as necessary to maintain California’s emission targets. Isuzu Technical Center of America, Inc.;

Emissions 305
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SafeAI, Siemens, Obayashi collaborate to bring retrofitted autonomous, zero-emission heavy vehicles to off-road industries

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SafeAI, a global leader in autonomous heavy equipment, announced a collaboration with Siemens today to create an autonomous, zero emission heavy vehicle fleet for Obayashi Corporation. In May 2022, the companies began retrofitting the first 45 ton vehicle, which is expected to be ready by the end of 2022.

Emissions 397
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WinGD and Hyundai Heavy Industries collaborate on ammonia two-stroke engine development

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WinGD and Hyundai Heavy IndustriesEngine Machinery Division (EMD) are to collaborate on delivering the first WinGD engine capable of running on ammonia. The project will explore ammonia concepts for both diesel-fueled WinGD X-type engines and dual-fuel LNG X-DF engines.

Engine 284
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Researchers capture first images of CO2 emissions from commercial aircraft engine using chemical species tomography

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Researchers have used a novel near-infrared light imaging technique to capture the first cross-sectional images of carbon dioxide in the exhaust plume of a commercial jet engine. To image such a large area, the researchers used a 7m-diameter optical mounting frame (red) located just 3 m from the exit nozzle of the engine.

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Independent study confirms cost savings & emissions advantages for heavy-duty trucks running ClearFlame’s engine technology

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ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.

Emissions 370