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Based on a Material Flow Analysis (MFA) framework, a system of Material Flow Indicators for Petroleum Flows (MFIs-PF) in China during 1980–2015 was established and Comprehensively Evaluated (CE) using the entropy method. The comprehensive evaluation represented petroleum flows efficiency in terms of three different aspects: petroleum inputs, flows, and outputs. The CE results showed that petroleum flows efficiency exhibited a slow increase by 45%, with fluctuations for the period 1980–2015. However, there were significant differences among the developmental trajectories of the MFIs-PF. With respect to inputs indicators, direct petroleum inputs occupied the biggest weight in MFIs-PF system, furthermore, the direct petroleum inputs and dependence on petroleum imports grew rapidly, increasing from 106 million tonnes and 0.3% in 1980 to 550 million tonnes and 61% in 2015, respectively. Regarding …