This study examines China’s carbon emission mitigation policy by focusing on the limited adoption of Carbon Capture, Utilization, and Storage (CCUS) as a primary decarbonization strategy. The study employs James S. Coleman’s Rational Choice Theory as the main theoretical framework and the concept of Energy Security to explain the Chinese government’s policy preferences in carbon mitigation. This research uses a qualitative method with a case study approach, relying on library research and descriptive qualitative analysis. The findings indicate that although China has implemented various mitigation policies, including the Emission Trading Scheme (ETS), large-scale renewable energy development, industrial energy efficiency, and transport electrification, CCUS has not become the country’s primary mitigation instrument. The limited adoption of CCUS is influenced by high investment costs, weak regulatory and financial incentives, technological and infrastructure constraints, and limited international pressure. From the perspective of Rational Choice Theory, these findings suggest that the Chinese government prioritizes policies that strengthen energy security, economic stability, and sustainable development. Consequently, CCUS is positioned as a complementary long-term technology rather than the main pillar of China’s decarbonization strategy.
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