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New split-cycle concept to control diesel HCCI combustion

Green Car Congress

Ettore Musu from the University of Pisa presented a CFD study of concept at the SAE 2010 Powertrains, Fuels and Lubricants Meeting in San Diego. The HCPC concept consists of forming a precompressed homogeneous mixture outside the cylinder and then gradually admitting the charge into the cylinder during the combustion process.

Concept 318
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Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

Green Car Congress

The piece was co-authored by Scripps Institution of Oceanography at UC San Diego climate and atmospheric scientist V. A recent study reported that ozone’s damage to crop yields in 2000 resulted in an economic loss of $14-26 billion annually. Besides a danger to breathe, ozone lowers crop yields.

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Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

Green Car Congress

Combining two very clean, very efficient, and cost effective technologies may well yield a new paradigm in engine design that could help satisfy the challenges of ground mobility for decades. This produced robust ignition with very clean, efficient, and stable combustion within constraints for combustion noise. Maximum BMEP of 20.3