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

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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.

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ORNL team achieves diesel-like efficiency with SI engine

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A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. The unique high stroke-to-bore engine design (1.5:1) The unique high stroke-to-bore engine design (1.5:1)

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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

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TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. Volkswagen 2.0

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Kia introduces 5th-generation Sportage SUV; gasoline, diesel, HEV, PHEV

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Developed on a new architecture, the all-new Sportage will offer gasoline and diesel powertrains at market launch later this year, followed by hybrid-electric (HEV) and plug-in hybrid electric (PHEV) models. The Sportage will be launched with a range powertrains, including clean gasoline and diesel IC engine technology. The new R2.0-liter

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EPA AED estimates emissions controls were removed from > 550K diesel pickups over last decade; impact equivalent to adding 9M additional trucks

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In a new report , the US Environmental Protection Agency (EPA) Air Enforcement Division (AED) estimates that the emissions controls have been removed from more than 550,000 diesel pickup trucks in the last decade. Number of full delete Class 2b and diesels by vehicle age Source: EPA. Estimated number of Class 2b and 3 deleted diesels.

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LiquidPiston introduces XTS-210 25hp heavy-fueled rotary engine; 1/5th size & weight of current diesel piston engines of same power

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The XTS-210 is heavy-fuel compatible (diesel, Jet A, JP-8, kerosene) and multi-fuel capacble (gasoline, propane, hydrogen). Compared to current piston diesel engines, the XTS-210 design reduces size and weight by nearly 80%, while maintaining comparable power output. Earlier post.)

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Hyundai upgrades design and performance of XCIENT fuel cell truck for global expansion

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The upgraded heavy-duty XCIENT features design and performance updates. Over that distance, the hydrogen-powered trucks have reduced carbon emissions by an estimated 585 tons, compared to diesel-powered vehicles. Hyundai will begin production of 2021 XCIENT Fuel Cell in August this year.

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