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UCR researchers find commercial fast-charging damages EV batteries, propose new internal-resistance-based technique

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Commercial fast-charging stations subject electric car batteries to high temperatures and high resistance that can cause them to crack, leak, and lose their storage capacity, according to researchers at the University of California, Riverside (UCR) in a new open-access study published in the journal Energy Storage. —Sebastian et al.

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Universal Hydrogen successfully completes first flight of hydrogen fuel cell powered regional airliner

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Universal Hydrogen has flown a 40-passenger regional airliner using hydrogen fuel cell propulsion. The airplane, nicknamed Lightning McClean, took off at 8:41am PST from Grant County International Airport (KMWH) and flew for 15 minutes, reaching an altitude of 3,500 MSL. The other remained a conventional engine for safety of flight.

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University of Michigan researchers lay out hurdles for Li-metal, solid-state batteries

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In a perspective piece in the journal Joule , researchers at the University of Michigan lay out the main questions facing lithium-metal, solid-state batteries. Major automakers are going all-in on electric vehicles this year, with many announcing plans to phase out internal-combustion engine cars in the coming years.

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Load-control strategies for ammonia-hydrogen dual-fuel engine for hybrid power systems

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A team at Beijing University of Technology has evaluated four load control strategies—throttle, ammonia-hydrogen ratio, air–fuel ratio, and variable valve timing—for an ammonia-hydrogen dual fuel Miller cycle spark ignition engine in a hybrid system. The engine—a Miller cycle engine with a compression ratio of 10.7—was

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Hydrogen Opposed Piston Engine Working Group formed

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Several organizations, encompassing companies, research labs, and academia, have formed the Hydrogen Opposed Piston Engine Working Group. The Working Group consists of members undertaking research and development in the field of hydrogen combustion in an opposed-piston engine. The only criteria emission of concern is NO x.

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Cummins to introduce 15-liter natural gas engine for North America; basis for hydrogen engine under development

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will bring to market a 15-liter natural gas engine for heavy-duty trucks. The 15-liter natural gas engine is an important part of Cummins strategy for its path to zero emissions. —Srikanth Padmanabhan, President, Engine Business, Cummins. Cummins Inc.

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MAN Energy launches industry consortium to develop medium-speed, ammonia-fueled engine

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Initiated by MAN with partners from industry and research institutes, it aims to define the steps necessary to produce a dual-fuel, medium-speed engine capable of running on diesel-fuel and ammonia. Alexander Knafl, Head of R&D, Four-Stroke Engineering, MAN Energy Solutions.

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