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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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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

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Achates Power announced that the 10.6-liter, liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. liter engine.

Diesel 468
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SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

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Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.

Cleaner 321
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Nuvera-powered hydrogen fuel cell reachstacker shipped to Port of Valencia

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Nuvera Fuel Cells, LLC, a provider of fuel cell power solutions for motive applications, is powering the hydrogen fuel cell reachstacker that Hyster has developed and shipped to the Port of Valencia in Spain. The Hyster Reachstacker uses Nuvera E-Series Fuel Cell engines to convert hydrogen into electricity.

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T&E: tests show cars powered by electrofuels emit high levels of criteria pollutants

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E-fuels are made by combining green hydrogen with CO 2 to produce liquid fuel that can be similar to gasoline or diesel used in conventional engines (as well as kerosene used in aviation). However, said T&E, particle pollution was far from eliminated. The emissions were compared to the standard E10 EU gasoline.

Pollution 186
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MAN Energy Solutions joins Stena and Proman to investigate engine retrofits to dual-fuel diesel/methanol

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MAN Energy Solutions has signed a Memorandum of Understanding (MoU) with Stena Teknik—Stena’s inhouse R&D division—and Proman—the world’s second largest methanol producer—regarding cooperation on a project to retrofit MAN 48/60 engines to make them capable of dual-fuel diesel and methanol operation. 13.7 – 14.7

Engine 186
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ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

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ClearFlame Engine Technologies, a a startup developing net-zero engine technology ( earlier post ), successfully completed an on-road demonstration of its proprietary technology that enables a heavy-duty truck diesel engine to operate on low-carbon and carbon-negative fuels, including 100% renewable plant-based fuels.

Engine 334