%0 Journal Article %T Hydrogen-enriched Compression Ignition Performance of RSM-optimized Neem–Karanja Hybrid Biodiesel Using Eggshell-derived Nano-catalyst %A Hariram V %A Sathishbabu R %A Gajalakshmi B %A Dhanabal J %A Sidharth S %A John Presin Kumar A %A Sarath Chandran C %A Suryavel G %A Godwin John J %D 2026 %R 10.13074/jent.2026.06.2622162 %J Journal of Environmental Nanotechnology %P 135-150 %V 15 %N 2 %I Institute for Environmental Nanotechnology %U https://doi.org/10.13074/jent.2026.06.2622162