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Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

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Hyundai Motor Group has developed the first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. T-GDi engine.

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Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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Performance of the new ESTEC engine (1NR-FKE) compared to the current 1NR-FE engine applied in the Yaris. Engineers at Toyota have developed an approach to applying the Atkinson cycle—used in the engines in Toyota hybrids since 1997—for engines in conventional, non-hybrid vehicles. Yamada et al.

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DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

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Vehicle technologies span a range from new Si/graphene Li-ion anode materials and composites for motor windings to diesel aftertreatment and advanced lubricants. Mainstream Engineering Corp. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. Mainstream Engineering Corp. Description.

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New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

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liter Dynamic Force ( earlier post ) four-cylinder Toyota Hybrid System II (THS II) with 650V electric motor (A25A-FXS) and Continuously-Variable Transmission (CVT). Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 l/100 km) combined.

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CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

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A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

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division, maker of the Delo brand of heavy duty engine oils, lubricants and coolants, unveiled a new category of heavy duty motor oil designed to address the growth of severe duty applications in on- and off-highway markets. A critical part of this process is to find an engine oil which is not just heavy duty, but severe duty.

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Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

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liter Atkinson-cycle four-cylinder gas engine with two motor-generators through a planetary-type continuously variable transmission. A new compact high-output/low-loss drive motor for the transaxle/motor uses a redesigned magnet and electromagnetic steel plate configuration, with two additional magnets for increased output.

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