Validation of experimental and gradient boosting regressor model for predicting performance, combustion, emission, and biomedical implications of cerium oxide (CeO₂)-augmented B20 biodiesel blends derived from used temple oil

验证实验模型和梯度提升回归模型在预测氧化铈（CeO₂）增强型B20生物柴油混合物（源自废弃寺庙油）的性能、燃烧、排放和生物医学影响方面的有效性