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Argonne helps optimize piston bowl design for Caterpillar heavy-duty engines using high-performance computing

Green Car Congress

Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty diesel engines. Heavy-duty diesel engines still power most large vehicles used in the construction, mining and transportation industries in the United States. The workflow we developed will benefit everyone.

Design 459
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Aquarius Engines unveils free-piston linear engine operating on 100% hydrogen

Green Car Congress

Israel-based Aquarius Engines unveiled a hydrogen-fueled version of its free-piston linear engine new hydrogen engine. The 10kg machine, based on the same technology as the original patented single-piston linear engine, operates exclusively on hydrogen.

Engine 543
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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

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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KAUST develops AI framework for design of fuels optimized for engine efficiency and lower emissions

Green Car Congress

A team at King Abdullah University of Science and Technology (KAUST) has developed a data-driven artificial intelligence (AI) framework to design liquid fuels exhibiting tailor-made properties for combustion engine applications to improve efficiency and lower carbon emissions. —Kuzhagaliyeva et al. Kuzhagaliyeva, N.,

Design 305
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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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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust 539
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Bosch Engineering and Ligier Automotive present Ligier JS2 RH2 with hydrogen engine at Le Mans

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Just a few months into a joint innovation project ( earlier post ), engineers from Bosch Engineering and Ligier Automotive have built a high-performance vehicle with a hydrogen engine. The vehicle features a V6 hydrogen engine and a carbon monocoque that integrates three 700-bar type IV hydrogen cylinders from Hexagon Purus.

Engine 459
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PACCAR to offer Cummins X15N natural gas engine in Kenworth and Peterbilt trucks

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PACCAR will work with Cummins to offer the new Cummins X15N natural gas engine ( earlier post ) in Kenworth and Peterbilt trucks. The X15N is the first natural gas engine to be designed specifically for heavy-duty truck applications with up to 500 horsepower output.

Peterbilt 459