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IEA Greenhouse Gas R&D Programme

Background to the Study


This report builds upon previous studies on the topic of carbon capture and utilisation (CCU) published by the IEA Greenhouse Gas R&D Programme (IEAGHG 2018a, IEAGHG 2018b, IEAGHG 2018c, IEAGHG 2019). 

First, an update on recent CCU policy developments is set out.  Second,  previous  research  and  analysis  is assembled  into  a  model  –  the  Greenhouse  Gas Emissions Model for CCU (GEMCCU) – to examine the emission reduction potential of CCU on an integrated basis. GEMCCU is used to assess the potential of a portfolio of CCU technologies to contribute towards Japan’s climate change mitigation goals in 2030 and 2050.  


Contributions Towards Japan’s Climate Change Mitigation Goals


Using two scenarios – ‘scenario 2030’ and ‘scenario 2050’ involving, respectively, 5 and 25 MtCO2 utilised – various combinations of CO2 sources and end use pathways, and a range of key sensitivities (accounting mode, source of electricity, various process efficiency improvements), an assessment is made of the potential of CCU to contribute towards Japan’s climate mitigation goals.  


The report is available to download.