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Prof. Cheng Song Leads Groundbreaking Collaboration with Boeing and COMAC

22 Jul 2025

Department and Staff News

Prof. CHENG Song from the Department of Mechanical Engineering at PolyU has received an industrial support from Boeing and COMAC to launch a groundbreaking 4.5 million HKD project, aiming at developing sustainable aviation fuels (SAF) with blending ratios greater than 50% with conventional jet fuels.

SAFs are produced from renewable resources and have the potential to reduce lifecycle greenhouse gas emissions by up to 80% compared to conventional jet fuel. SAF is widely recognized as one of the most promising solutions for decarbonizing the aviation sector, enabling airlines to significantly lower their carbon footprint while maintaining high safety and performance standards. The development and adoption of high-blend SAFs are critical steps toward achieving the aviation industry’s net-zero emissions goals.

This project seeks to address this urgent need. By focusing on high-blend and even unblended SAF, the project will push the boundaries of current fuel standards and pave the way for a new era of cleaner, more sustainable air travel. In addition to laboratory research, engine testing, the project will also explore the supply chain, infrastructure, and policy frameworks necessary to support widespread adoption of high-blend SAFs.


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