Figure 1 (IMAGE) Tohoku University Caption Comparison of CO Faradaic efficiency for various DACs reported in the past three years. The experimental data were extracted from previous literature. Credit Hao Li et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.